the fat is in the fire

US /ðə fæt ɪz ɪn ðə faɪər/
UK /ðə fæt ɪz ɪn ðə faɪər/
"the fat is in the fire" picture
1.

麻烦就来了, 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.
当她发现他撒谎时,麻烦就来了
If the boss finds out we missed the deadline, the fat will be in the fire.
如果老板发现我们错过了截止日期,麻烦就大了