Chūkyū e Ikō: Nihongo no Bunkei to Hyōgen 55 Dai 2-Han is a second-edition bridge textbook designed to transition students from beginner to intermediate Japanese by teaching 55 essential sentence patterns. Published by 3A Corporation, this 179-page, topic-based guide offers updated, concise grammar explanations, kanji practice, and multi-language support suitable for self-study. For more details, visit 3A Corporation Amazon.com
Section 1: A sudden change
Yamada Mika worked as an office manager at a small trading company in Yokohama. Every morning she took the same train, bought coffee from the same vending machine, and arrived at her desk at 8:45.
～nagara：
"Ashidori o tashinaminagara, kotoshi koso nanika atarashii koto o hajimeyou" to omotte ita.
(While sipping her canned coffee, she thought, "This year, let’s start something new for sure.")
But on a rainy Tuesday in June, something changed. When she reached into her bag for her office key, it wasn’t there.
～toki, ~te shimau：
Kagi o nakushita to kizuita toki, atama ga zenpaku ni natte shimatta.
(When she realized she’d lost the key, her mind went completely blank.)
She searched her desk, her coat pockets, even the trash can. Nothing.
Section 2: Finding a thread
A junior colleague, Saito-kun, said gently:
～koto ni suru：
"Yamada-san, kyou wa boku no kagi o kashimasu kara, asa hayaku dete aruku koto ni shimasen ka?"
("Yamada, I’ll lend you my key for today – how about we decide to leave early tomorrow and walk the route?")
But Mika shook her head. The key wasn’t just a key. It had a small, orange rubber charm – a gift from her late mother.
～ni totte:
Sono kagitsuki no masukotto wa, Mika ni totte taisetsu na omoide datta.
(For Mika, the keychain charm was a precious memory.)
She decided to retrace her steps. First stop: the station.
Section 3: The stranger’s hint
At the ticket gate, an old woman was arguing with the station staff about a lost umbrella. Mika almost walked past, but then:
～mono no：
Isogi wa shitai mono no, nantonaku jibun no kagi no koto to kasanatte, chotto matte mita.
(She wanted to hurry, but somehow she felt it overlapped with her own lost key situation, so she waited a bit.)
The old woman turned to Mika and said something strange:
"Anata wa kagi o sagashite iru deshou. Kino no yuugata, eki no nishi-guchi de dareka ga 'kono kagi wa mou iranai' tte iinagara suitou ni nageta no o mita wa."
("You’re looking for a key, aren’t you? Yesterday evening, at the west exit of the station, I saw someone throw a key into a trash bin while saying, 'I don’t need this key anymore.'") --- Chukyu E Iko Nihongo No Bunkei To Hyogen 55 Dai 2-han
Mika’s heart raced.
Section 4: The trash bin treasure hunt
By the time she reached the west exit trash bin, it had already been emptied by the morning cleaning crew.
～tame ni：
Shuushuu gyousha ni renraku suru tame ni, eki-in ni tazuneta ga, "kanki ni wa 3-nichi kakaru" to iwareta.
(To contact the collection company, she asked the station staff, but was told, "It takes three days for a reply.")
She felt defeated. Then she noticed a small cleaning room nearby. Inside, a young part-time worker named Tanaka was sorting lost items.
～ni kakete wa：
Tanaka-san no me wa yokunai kedo, ki no kikanai koto ni kakete wa dare ni mo makenakatta.
(Tanaka’s eyesight wasn’t good, but when it came to noticing small details, he lost to no one.)
He held up a key with an orange charm.
"Kore, kaji no ato mitai na iro."
("This color – like after a fire.")
It was her mother’s charm, slightly singed from a kitchen accident years ago. Mika burst into tears.
Section 5: Why it was thrown away
She asked Tanaka why the key was in the trash. He explained:
～wake da：
"Kino no yuugata, wakamono no gurupu ga kenka shiteite, hitori wa 'kagi nanka mou iranai' tte oogoe o ageta wake nan desu. Demo sore wa anata no kagi janakute, gurupu no hito ga dokoka de hirotta kagi datta mitai desu."
("Last evening, a group of young people were fighting, and one shouted, 'I don’t need any key anymore.' That’s the situation. But that wasn’t your key – it seems that person had picked up a key somewhere else.")
Mika felt both relief and a strange sadness. Someone else’s anger had thrown away her treasure.
Section 6: Return and promise
She went back to the office, key in hand. Saito-kun smiled.
～tsutsu, ～tsutsu：
Nagusame tsutsu, chotto shikari tsutsu, kare wa itta. "Yamada-san, kore kara wa kagi no himo o fukuro no naka ni tojikome toite kudasai."
(While comforting her and also scolding her a bit, he said, "From now on, please keep the key cord zipped inside your bag.")
Mika laughed for the first time that day. Chūkyū e Ikō: Nihongo no Bunkei to Hyōgen
～te hoshii：
Mother, I want you to watch over me from wherever you are. But from now on, I’ll take better care of the things you left me.
She wrote in her diary that night:
"Kagi o nakushita koto de, watashi wa takusan no mono o nakushite wa denai koto o oboeta. Soshite, onaji you ni nayanderu hito ni wa, watashi ga 'kagi' o sashidaseru you ni naritai."
("By losing the key, I learned that there are many things I must not lose. And I want to become someone who can offer a 'key' to others who are suffering in the same way.")
～Chukyu e ikō. (Let’s go to intermediate.)
Title: The Bridge of Intermediate Sounds
The rain in Kyoto had a rhythm, a steady patter against the slate tiles of the old university library. For Kenji, however, the sound was merely background noise to the symphony of frustration playing in his head. He stared at the blank page of his thesis, the cursor blinking like a mocking heartbeat.
Kenji was stuck. He had passed the beginner levels with flying colors. He could order sushi, ask for directions, and talk about the weather. But now, tasked with writing a comparative essay on modern architecture, he felt like a child trying to build a skyscraper with Lego blocks. His sentences were choppy, repetitive, and lacked the professional nuance required for academic writing.
"I just don't know how to connect the ideas," Kenji muttered, dropping his head onto his folded arms.
"Perhaps you are looking at the structure, but ignoring the joints," a calm voice said from behind him.
Kenji turned to see Professor Hoshino, a small woman with sharp eyes and a reputation for being a strict grammarian. She placed a book on the table. It wasn't a thick, intimidating encyclopedia, but a structured textbook with a distinct blue and white cover.
The title read: Chukyu e Iko: Nihongo no Bunkei to Hyogen 55 (Dai 2-han).
Transition to the Intermediate Level: 55 Japanese Sentence Patterns and Expressions (2nd Edition).
"This," Professor Hoshino said, tapping the cover, "is your bridge. You are standing on the shore of 'Basic Japanese,' looking at the island of 'Advanced Fluency.' You cannot swim that distance, Kenji. You need a bridge."
"I know grammar, Professor," Kenji sighed. "I know te-forms and nara conditionals."
"You know the bricks," she corrected. "You do not know the architecture. This book—Chukyu e Iko—is not just about rules. It is about Hyogen (expression). It teaches you that there is a difference between saying 'I think this is good' and 'It is worth considering that this possesses merit.'"
She opened the book to a chapter near the middle. Lesson 32: Contrast and Concession.
"Look here," she pointed. "You want to say that modern buildings are efficient, but they lack soul. How do you say it?" The first edition was sometimes too brief for self-learners
Kenji hesitated. "Modern buildings are efficient. Demo, they have no soul."
Professor Hoshino winced as if she’d bitten into a lemon. "Demo. The sledgehammer of conjunctions. It works, but it is crude. Look at Pattern 32." She traced the sentence structure: ~ni shita ga, ~.
"Or better yet," she said, flipping a few pages, "Pattern 35: ~mono no."
She pointed to the example sentence in the book: Shiken wa owatta mono no, mondai wa nokotta. (The exam is over, but the problems remain.)
"This structure acknowledges the first clause while pivoting gracefully to the second. It adds weight. It adds maturity."
Kenji looked at the book with new eyes. For the first time, the textbook didn't look like a collection of dry rules; it looked like a toolkit. He began to read.
He spent the next three hours in the library, absorbed in the "55 Patterns." He discovered the utility of ~ue de (upon/in order to) for logical sequencing, replacing his clumsy usage of simple kara (because). He learned to use ~ni chigainai (must be/no doubt) to express conviction without sounding arrogant.
He realized the genius of the Dai 2-han—the 2nd Edition. The notes in the margins didn't just tell him how to use the grammar; they told him when. They distinguished between written and spoken Japanese, between formal essays and polite conversation. It was the difference between a tourist with a phrasebook and a resident with a voice.
Weeks passed. The rain in Kyoto stopped, giving way to the crisp bloom of cherry blossoms. Kenji sat once again in front of his thesis
Based on the title you provided, this refers to "Chukyu e Iko: Nihongo no Bunkei to Hyogen 55" (Middle Japanese Edition: 55 Japanese Sentence Patterns and Expressions), specifically the Second Edition. This is a popular textbook designed for learners transitioning from beginner (JLPT N4/N3) to intermediate level (JLPT N2/N1).
Here is a comprehensive guide on how to use this textbook effectively.
Yes. If you are serious about moving from "I can order ramen" to "I can debate remote work policies with my Japanese colleague," "Chukyu E Iko Nihongo No Bunkei To Hyogen 55 Dai 2-han" is your training montage.
It is not fun. It is not shiny. It is a tool. A scalpel, not a Swiss army knife. By the time you finish lesson 55, you will have internalized the rhythm of natural Japanese. You will stop translating in your head. You will, finally, be on your way to Chukyu.
Have you used the Dai 2-han edition? Share your study tips in the comments below. Ganbatte kudasai!
Here’s a proper write-up for the textbook Chukyu e Iko: Nihongo no Bunkei to Hyogen 55 (Dai 2-han).
Do not write anything yet. Listen to the QR code audio for a lesson. While listening, try to "shadow" (repeat immediately after) the speaker at 70% speed. Focus on intonation.
The original Bunkei 55 was a dense, black-and-white text. The Dai 2-han (2nd Edition) modernizes the experience significantly.