written all over someone's face

US /ˈrɪt.ən ɔl ˈoʊ.vər ˈsʌm.wʌnz feɪs/
UK /ˈrɪt.ən ɔl ˈoʊ.vər ˈsʌm.wʌnz feɪs/
"written all over someone's face" picture
1.

溢于言表, 写在脸上

if an emotion or thought is written all over someone's face, it is very obvious to other people

:
Her disappointment was written all over her face when she didn't get the job.
她没得到那份工作时,失望之情溢于言表
You don't have to tell me, it's written all over your face that you're in love.
你不用告诉我,你恋爱了,这都写在你脸上了