异口同声 yìkǒu-tóngshēng different mouths, same voice
different mouths, same voice; to speak in unison (idiom)
How to remember 异口同声: 异 different + 口 mouth (Kangxi radical 30) + 同 same + 声 voice = different mouths, same voice.
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How it is used
- Idiom: many people saying the exact same thing in unison - 大家异口同声地说好 (dàjiā yìkǒu-tóngshēng de shuō hǎo) everyone said 'yes' with one voice.
- Used to stress unanimous agreement or a chorus of identical opinions; often adverbial before a verb of speaking.
- The point is agreement, not literally speaking at once.