They had enough cash for a one-way ticket.

　　他们有足够的现金买一张单程票。

　　Her disappearance and death would give proof enough of Charles' guilt.

　　她的失踪和死亡将提供足够的证据证明查尔斯有罪。

　　2.enough做副词，表示“足够地， 足够量地，相当地”如：

　　I was old enough to work and earn money.

　　我到了可以工作、挣钱的年龄了。

　　I'm serious, things are difficult enough as they are.

　　我是认真的，事情照现在这样已经够困难的了。

　　Winters is a common enough surname.

　　温特斯是一个相当普通的姓。

　　3.enough做名词，表示“足够的人或事”，如：

　　Although the police say efforts are being made, they are not doing enough.

　　尽管警方说他们正在努力，但是他们做得还不够。

　　4.enough做代词，表示“够了”，既可代表可数名词，也可代表不可数名词。如：

　　I met him only the once, and that was enough.

　　我只见过他一次，那就够了。

　　----Do you need more chairs?

　　你们还要椅子吗？

　　----No. I think there are enough to go round.

　　不要了，我想够用了。

　　5.Strangely enough真奇怪

　　interestingly enough真有趣

　　Strangely enough, the last thing he thought of was his beloved Tanya.

　　真奇怪，他最后想到的是他心爱的坦尼娅。

　　6.have had enough 受够了

　　I had had enough of other people for one night.

　　一个晚上我就受够其他人了。