huǐ​yú​yī​dàn

ruined

毁于一旦 (毀於一旦) huǐ​yú​yī​dàn
ruined idiom
(idiom) ruined in a short time, especially of something that took a long time or great effort to achieve

His years of hard work were destroyed in an instant by the fire.

Frequency

Movie subtitles
1.13 per million appears in 1% of films
Written text
0.746 per million

Sources

Definitions
CC-CEDICT