creep in

动词 creep in:

1. enter surreptitiously
   同义词：sneak in

1. She crept in beside him under the bedclothes.
   她钻进被窝，躺在他身旁。
2. As a rule he writes English very well, but occasionally unidiomatic expressions creep in.
   他通常英语写得很好，可是偶尔会夹杂一些不合习惯的表达方式。