Quintuple VS
Synonym Boundary: "買い物する", "致す", "なさる", "〜てしまう", "敝蓋不棄"
All represent the core concept "do", but require precise selection.
Japanese Option A
買い物する
かいものする (kaimono suru)
N4 / CEFR
Japanese Option B
致す
いたす (itasu)
N4 / CEFR
Japanese Option C
なさる
なさる (nasaru)
N4 / CEFR
Japanese Option D
〜てしまう
〜てしまう (te shimau)
N3 / CEFR
Japanese Option E
敝蓋不棄
へいがいふき
C2PLUS / CEFR
Quintuple VS Nuance Contrast & Social Differences
When expressing "do" in Japanese, you must carefully distinguish between "買い物する", "致す", "なさる", "〜てしまう", "敝蓋不棄" based on context.
- 買い物する (かいものする (kaimono suru) - Level: N4): Maps to "to do shopping" and is used when Used when referring to the act of buying things, typically at a store. Can be used with に.
- 致す (いたす (itasu) - Level: N4): Maps to "to do (humble form of する)" and is used when A very humble verb used for one's own actions. It's the humble equivalent of する.
- なさる (なさる (nasaru) - Level: N4): Maps to "to do (honorific form of する)" and is used when Honorific form of する.
- 〜てしまう (〜てしまう (te shimau) - Level: N3): Maps to "to do completely; to do regrettably/unintentionally" and is used when Expresses either the completion of an action, often implying 'finished doing,' or an action done unintentionally or regrettably. In casual speech, it's often shortened to 〜ちゃう/〜じゃう.
- 敝蓋不棄 (へいがいふき - Level: C2PLUS): Maps to "do not discard a worn-out lid; a metaphor for valuing old things or long-standing friendships" and is used when Essential structural term in CEFR C2PLUS vocabulary syllabus..
Context for "買い物する"
デパートで洋服を買い物しました。
I bought clothes at the department store.
Context for "致す"
明日、私がご説明致します。
I will explain it tomorrow (humble).
Context for "なさる"
先生は何をなさいますか。
What will the teacher do?
Context for "〜てしまう"
大事な書類をなくしてしまいました。
I accidentally lost important documents.
Context for "敝蓋不棄"
私は敝蓋不棄に興味があります。
I am interested in do not discard a worn-out lid; a metaphor for valuing old things or long-standing friendships.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "デパートで洋服を買い物しました。" (Meaning: "I bought clothes at the department store.")
🎉 Correct Answer!
Remember: "買い物する" is correct here because it represents "to do shopping" in the context: "I bought clothes at the department store.".