the fat is in the fire
US /ðə fæt ɪz ɪn ðə faɪər/
UK /ðə fæt ɪz ɪn ðə faɪər/

1.
麻煩就來了, 事情要糟了
a situation has occurred that will cause trouble or an angry reaction
:
•
When she found out he lied, the fat was in the fire.
當她發現他撒謊時,麻煩就來了。
•
If the boss finds out we missed the deadline, the fat will be in the fire.
如果老闆發現我們錯過了截止日期,麻煩就大了。