6.to crack a joke开个玩笑
He cracked jokes and talked about beer and girls.他爱说笑话, 喜欢谈论啤酒和姑娘。
7.(force to yield)使屈服
These are psychological tricks they are using to crack them.这些是他们正用来摧垮他们的心理战术。
8.(cause to fail)使失控
It might crack their resolve.这可能会动摇他们的决心。
9.(hit)重击；猛击
He cracked his head on the pavement and was knocked cold.他一头撞到人行道上, 不省人事了。
10.(force open)闯入；强行打开
in a bid to crack shopping-centre safes企图撬开购物中心的保险箱
11.<非正式>(open)(为了饮用)打开(尤指瓶子)
He may crack a bottle of champagne.他可能会开一瓶香槟。