slide與slip的區(qū)別：(作"滑動(dòng)"解釋時(shí))
slide在一個(gè)光滑的表面持續(xù)地滑動(dòng)； 
slip常指意外而不自主地滑動(dòng)；
以下的例子樓主可以做個(gè)比較~
slide
vi.
1.滑,滑動(dòng)
The boys amused themselves by sliding down the banister.
男孩們從樓梯扶手滑下以取樂(lè).
2.滑落;下落
The car slid into the ditch.
汽車滑進(jìn)了溝里.
3.不知不覺(jué)地陷入[(+into)]
He had slid into bad habits.
他不知不覺(jué)地染上了壞習(xí)慣.
4.悄悄地走[Q][(into/out of)]
She slid out of the classroom.
她從教室里悄悄地溜走了.
vt.
1.使滑動(dòng),使滑行
He carefully slid the top off the box.
他仔細(xì)地將箱蓋挪開.
2.悄悄地迅速放置[O][(+in/into)]
He slid a pistol into his pocket.
他將一支手槍悄悄地放入口袋.
slip
vi.
1.滑動(dòng),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;松脫
He woke to find that his quilt had slipped off the bed.
他醒來(lái)發(fā)現(xiàn)被子從床上滑下來(lái)了.
4.溜;悄悄走;(時(shí)間)不知不覺(jué)地過(guò)去[Q]
The student slipped out of the classroom.
那學(xué)生溜出了教室.
5.疏忽;不經(jīng)意講出;被遺忘
Be sure not to let the truth slip.
千萬(wàn)別把真相泄漏出去.
6.犯錯(cuò)誤[(+up)]
7.(健康等)變壞;下降
Standards are slipping in this hotel.
這家旅館的水平在下降.
8.匆忙地穿(或脫)[(+into/out of)]
He slipped into his coat and went out.
他迅速穿好上衣,出去了.
9.不知不覺(jué)地陷入[(+into)]
vt.
1.使滑動(dòng);使滑行
The old lady slipped a hand over the heart.
老太太伸手撫摩胸口.
2.錯(cuò)過(guò);被...忽略;被遺忘
Your telephone number has slipped my mind.
你的電話號(hào)碼我忘了.
3.擺脫,掙脫
4.匆忙地穿(或脫)[(+on/off)]
He slipped off his clothes and went into the bathroom.
他迅速脫掉衣服,走進(jìn)浴室.
5.塞入;暗中塞(錢等);把...塞給[O][O1]
He slipped the note into my hand.
他把紙條悄悄塞到我手里.
6.無(wú)意中講出;泄漏
7.使脫臼