Synonym Nuance VS
How to say "One" in Japanese
Both words can translate to "one", but which should you choose?
Japanese Option A
一夜
いちや (ichiya)
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 一夜 and 異口同音.
In Japanese, 一夜 (いちや (ichiya)) is typically associated with "one night; all night long" (Syllabus Level: N2) and represents Refers to a single night, often implying something happened or was completed during that night, or something that lasts for one night. Can sometimes imply a sudden or dramatic change, similar to 'overnight'..
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 "一夜"
彼は一夜にして大金持ちになった。
He became rich overnight.
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: "彼は ＿＿＿ にして大金持ちになった。" (Meaning: "He became rich overnight.")
🎉 Correct Answer!
Remember: "一夜" fits here because it means "one night; all night long" in the context of: "He became rich overnight.". "異口同音" represents "(with) one voice; unanimously; to say the same thing".