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Synonym Nuance VS

How to say "Contract" in Japanese

Both words can translate to "contract", but which should you choose?

Japanese Option A

請負

うけおい (ukeoi)
N2 / CEFR Syllabus
VS
Japanese Option B

契約理論

けいやくりろん (keiyakuriron)
C2 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "contract" into Japanese, you must choose carefully between 請負 and 契約理論. In Japanese, 請負 (うけおい (ukeoi)) is typically associated with "contract, contracting, undertaking (a job)" (Syllabus Level: N2) and represents Refers to undertaking a job or project under a contract, where the contractor is responsible for completing the work for an agreed price. Often seen in construction or services.. On the other hand, 契約理論 (けいやくりろん (keiyakuriron)) maps to "contract theory" (Syllabus Level: C2) and represents Essential structural term in CEFR C2 vocabulary syllabus.. A literal translation of "contract" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "請負"
その工事は請負契約で進められている。
That construction project is proceeding under a contract.
Bilingual Context for "契約理論"
私は契約理論に興味があります。
I am interested in contract theory.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "その工事は ___ 契約で進められている。" (Meaning: "That construction project is proceeding under a contract.")
🎉 Correct Answer!

Remember: "請負" fits here because it means "contract, contracting, undertaking (a job)" in the context of: "That construction project is proceeding under a contract.". "契約理論" represents "contract theory".

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