Correct
一锤定音
/ yī chuí dìngyīn /
Strokes
Definition
lit. to fix the tone with a single hammer blow/fig. to make the final decision
Example
Definition
set the tune with one beat of the gong—give the final word
1
Zhè
这
shì
事
zhǐnéng
只能
yóu
由
nǐ
你
yīchuídìngyīn
一锤定音
。
It's up to you to make the final decision.