dǎ​cǎo​jīng​shé

to alert an enemy

打草惊蛇 打草驚蛇 dǎ​cǎo​jīng​shé
to alert an enemy
(idiom) lit. beat the grass and scare the snake; fig. to unintentionally alert an opponent through careless actions, allowing them to prepare in advance
to warn others
(idiom) to punish or reprimand one person as a warning to another

Frequency

Movie subtitles
1.49 per million appears in 1% of films
Written text
0.696 per million

Sources