slip out

US /slɪp aʊt/
UK /slɪp aʊt/
"slip out" picture
1.

溜出, 悄悄离开

to leave a place quietly and unnoticed

:
He tried to slip out of the meeting without anyone noticing.
他试图不被任何人察觉地溜出会议。
The cat managed to slip out through the open door.
猫设法从开着的门溜了出去
2.

说漏嘴, 脱口而出

if a remark or secret slips out, you say it accidentally

:
The secret about the surprise party almost slipped out during dinner.
关于惊喜派对的秘密在晚餐时差点说漏嘴
A rude comment slipped out before I could stop myself.
在我来不及阻止自己之前,一句粗鲁的话脱口而出