異口同聲 yì kǒu tóng shēng

DEFINITIONS

  1. different mouths, same voice
  2. to speak in unison (idiom)

CHARACTERS

異 yì different, unusual, strange
口 kǒu mouth; open end; entrance, gate
同 tóng same, similar; together with
聲 shēng sound, voice, noise; tone; music