(the) shit hits the fan

US /ðə ʃɪt hɪts ðə fæn/
UK /ðə ʃɪt hɪts ðə fæn/
"(the) shit hits the fan" picture
1.

事情變得一團糟, 爆發大麻煩

a situation when a problem or crisis becomes public and causes a lot of trouble or anger

:
When the news of the scandal broke, the shit hit the fan.
當醜聞曝光時,事情就變得一團糟
He knew that if his boss found out, the shit would hit the fan.
他知道如果老闆發現了,事情就會變得一團糟