slip someone's mind
US /slɪp ˈsʌm.wʌnz maɪnd/
UK /slɪp ˈsʌm.wʌnz maɪnd/
1.
忘记, 疏忽
if something slips your mind, you forget it
:
•
I meant to call her, but it completely slipped my mind.
我本想给她打电话，但完全忘了。
•
The meeting time must have slipped his mind.
会议时间一定被他忘了。