1.enough做形容詞，“表示足夠的，足夠量的”，通常與for連用。如：
They had enough cash for a one-way ticket.
他們有足夠的現(xiàn)金買一張單程票。
Her disappearance and death would give proof enough of Charles' guilt.
她的失蹤和死亡將提供足夠的證據(jù)證明查爾斯有罪。
2.enough做副詞，表示“足夠地， 足夠量地，相當(dāng)?shù)?rdquo;如：
I was old enough to work and earn money.
我到了可以工作、掙錢的年齡了。
I'm serious, things are difficult enough as they are.
我是認(rèn)真的，事情照現(xiàn)在這樣已經(jīng)夠困難的了。
Winters is a common enough surname.
溫特斯是一個相當(dāng)普通的姓。
3.enough做名詞，表示“足夠的人或事”，如：
Although the police say efforts are being made, they are not doing enough.
盡管警方說他們正在努力，但是他們做得還不夠。
4.enough做代詞，表示“夠了”，既可代表可數(shù)名詞，也可代表不可數(shù)名詞。如：
I met him only the once, and that was enough.
我只見過他一次，那就夠了。
----Do you need more chairs?
你們還要椅子嗎?
----No. I think there are enough to go round.
不要了，我想夠用了。
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愛的坦尼婭。
6.have had enough 受夠了
I had had enough of other people for one night.
一個晚上我就受夠其他人了。
