slide与slip的区别：(作"滑动"解释时)
slide在一个光滑的表面持续地滑动；
slip常指意外而不自主地滑动；
以下的例子楼主可以做个比较~
slide
vi.
1.滑,滑动
The boys amused themselves by sliding down the banister.
男孩们从楼梯扶手滑下以取乐.
2.滑落;下落
The car slid into the ditch.
汽车滑进了沟里.
3.不知不觉地陷入[(+into)]
He had slid into bad habits.
他不知不觉地染上了坏习惯.
4.悄悄地走[Q][(into/out of)]
She slid out of the classroom.
她从教室里悄悄地溜走了.
vt.
1.使滑动,使滑行
He carefully slid the top off the box.
他仔细地将箱盖挪开.
2.悄悄地迅速放置[O][(+in/into)]
He slid a pistol into his pocket.
他将一支手枪悄悄地放入口袋.
slip
vi.
1.滑动,滑行
The ship slipped through the water.
船在水面滑行.
2.滑跤,失足
She slipped on the ice.
她在冰上滑倒了.
3.滑落,滑掉;松脱
He woke to find that his quilt had slipped off the bed.
他醒来发现被子从床上滑下来了.
4.溜;悄悄走;(时间)不知不觉地过去[Q]
The student slipped out of the classroom.
那学生溜出了教室.
5.疏忽;不经意讲出;被遗忘
Be sure not to let the truth slip.
千万别把真相泄漏出去.
6.犯错误[(+up)]
7.(健康等)变坏;下降
Standards are slipping in this hotel.
这家旅馆的水平在下降.
8.匆忙地穿(或脱)[(+into/out of)]
He slipped into his coat and went out.
他迅速穿好上衣,出去了.
9.不知不觉地陷入[(+into)]
vt.
1.使滑动;使滑行
The old lady slipped a hand over the heart.
老太太伸手抚摩胸口.
2.错过;被...忽略;被遗忘
Your telephone number has slipped my mind.
你的电话号码我忘了.
3.摆脱,挣脱
4.匆忙地穿(或脱)[(+on/off)]
He slipped off his clothes and went into the bathroom.
他迅速脱掉衣服,走进浴室.
5.塞入;暗中塞(钱等);把...塞给[O][O1]
He slipped the note into my hand.
他把纸条悄悄塞到我手里.
6.无意中讲出;泄漏
7.使脱臼
