Float [fləʊt]

v. 漂浮；浮现；飘动；提出 n. 浮标；漂浮物；漂浮

There wasn't enough water to float the ship.

水不够深，船浮不起来。

Strange thoughts float through my mind when I am nearly asleep.

我快睡着时产生一种奇怪的念头。

stagger ['stæɡər] 　 　

vi. 蹒跚；犹豫；动摇

vt. 使摇晃；使吃惊；使犹豫

n. 蹒跚；踌躇；摇摆不定

She staggered and fell.

她踉跄了几步，跌倒在地。

His resolution had begun to stagger.

他的意志开始动摇了。

crash down 哗啦一声或咔嚓倒下或摔下

He crashed down on the floor with a wallop.

他砰的一声倒在地板上了。

* wallop ['wɑːləp] 　 　

v. 重击；猛打；蹒跚；滚沸

n. 猛击；痛击

give up [ɡɪv ʌp] v. 放弃；抛弃；戒除；交出

His wife would love him to give up his job.

他妻子很乐意他辞去工作。

You ought to give up smoking; I gave it up last year.

你应该戒烟，我去年就戒掉了。