一錘定音 yī chuí dìng yīn

DEFINITIONS

  1. lit. to fix the tone with a single hammer blow
  2. fig. to make the final decision

CHARACTERS

一 yī
HSK 1
one; a, an; alone
錘 chuí balance weight on scale; hammer
定 dìng
HSK 3
decide, settle, fix
音 yīn
HSK 3
sound, tone, pitch, pronunciation