异口同声

異口同聲
yìkǒutóngshēng
  1. different mouths, same voice
  2. to speak in unison (idiom)

CEDICT

Entry Composition

1 异 yì
  1. different
  2. other
  3. hetero-
  4. unusual
  5. strange
  6. surprising
  7. to distinguish
  8. to separate
  9. to discriminate
2 口 kǒu
  1. mouth
  2. classifier for things with mouths (people, domestic animals, cannons, wells etc)
  3. classifier for bites or mouthfuls
3 同 tóng
  1. like
  2. same
  3. similar
  4. together
  5. alike
  6. with
4 声 shēng
  1. sound
  2. voice
  3. tone
  4. noise
  5. reputation
  6. classifier for sounds