Chinese Zodiac Idiom - "acted indiscreetly thereby alerting the enemy"

Which Chinese zodiac idiom (成语 chengyu) can be used to describe "acted indiscreetly thereby alerting the enemy" ?

This is from the Zodiac themed collection.

Start guessing now!

Ready to see the answer?

What's the meaning of the chengyu?

Any example?

Play more games?

Try the games as an animated 30-second challenge?

Available at https://www.instagram.com/funchinesewordgames/ or https://www.facebook.com/funchinesewordgames/ or https://www.tiktok.com/@funchinesewordgame