Definition
- C2
to be forgotten or not remembered by someone
（某事）被（某人）遗忘
I meant to call her, but it completely slipped my mind.
我本来想打电话给她，但完全忘记了。
He forgot it was his anniversary; it totally slipped his memory.
他忘记了今天是他的结婚纪念日；这件事完全被他遗忘了。
Her name slipped my mind when I saw her.
当我看到她时，她的名字突然想不起来了。