slip into
1． enter by sliding滑过
The car turned on the wet road and slipped into the fence．汽车开上潮湿的路面，滑进了围栏。
As the door closes the catch slips into place．门一关上，门扣就自动扣紧。
Be careful not to let errors slip into the proofs．注意不要让校样中出现差错。
2．enter silently or secretly 悄悄溜进 I have to come late，so I'll slip into the room at the back if you will save me a place．我会来迟一点，如果你愿意给我留个位子，我就从后面溜进屋去。
Later，Mother slipped into the children's room to make sure they were all asleep．过了一会儿，母亲悄悄走进孩子们的房间，看看他们睡着了没有。
3．pass…into secretly悄悄把…放入
She slipped a note into my hand when the teacher wasn't looking．老师没注意看的时候，她把一张条子悄悄地塞进我的手里。
He slipped a coin into the old man's hand．他把一枚硬币塞入老人手中。
4． put on quickly匆忙穿上
After supper， he slipped into his overcoat and went out．一吃完晚饭，他就披上大衣，出去了。