Correct

一蹶不振

/ yī jué bùzhèn /
Strokes

Definition

one stumble, unable to rise (idiom); a setback leading to total collapse/ruined at a stroke/unable to recover after a minor hitch

Example

Definition

collapse after one setback; never be able to recover after a setback

1
Zhè
cháng
sài
比赛
yàome
要么
shǐ
使
chéngmíng
一举成名
,
yàome
要么
shǐ
使
juézhèn
一蹶不振

This competition will either make him or break him.

2
Zhànhòu
战后
,
zhège
这个
guójiā
国家
de
jīng
经济
juézhèn
一蹶不振

The country suffered economic prostration after the war.

3
rén
敌人
de
juézhèn
一蹶不振

fight the enemy to a standstill