slip someone's mind

US /slɪp ˈsʌm.wʌnz maɪnd/
UK /slɪp ˈsʌm.wʌnz maɪnd/
"slip someone's mind" picture
1.

잊어버리다, 깜빡하다

if something slips your mind, you forget it

:
I meant to call her, but it completely slipped my mind.
그녀에게 전화하려고 했는데, 완전히 잊어버렸어.
The meeting time must have slipped his mind.
회의 시간이 그에게서 잊혀졌을 거야.