Synonym Nuance VS
How to say "One" in Japanese
Both words can translate to "one", but which should you choose?
Japanese Option A
一因
いちいん (ichiin)
N2 / CEFR Syllabus
VS
Japanese Option B
異口同音
いくどうおん (ikudouon)
N1 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "one" into Japanese, you must choose carefully between 一因 and 異口同音.
In Japanese, 一因 (いちいん (ichiin)) is typically associated with "one cause; a contributing factor" (Syllabus Level: N2) and represents Used to indicate one of several causes or factors contributing to a situation, often a negative one..
On the other hand, 異口同音 (いくどうおん (ikudouon)) maps to "(with) one voice; unanimously; to say the same thing" (Syllabus Level: N1) and represents This is a yojijukugo. A literal translation of "one" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "一因"
彼の失敗は準備不足が一因だ。
His failure was partly due to insufficient preparation.
Bilingual Context for "異口同音"
会議の参加者たちは、皆、異口同音に彼の意見に賛成した。
The participants in the meeting all unanimously agreed with his opinion.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "彼の失敗は準備不足が ＿＿＿ だ。" (Meaning: "His failure was partly due to insufficient preparation.")
🎉 Correct Answer!
Remember: "一因" fits here because it means "one cause; a contributing factor" in the context of: "His failure was partly due to insufficient preparation.". "異口同音" represents "(with) one voice; unanimously; to say the same thing".