a.

1. 足够的，充足的
   We have enough chairs for everyone.

   我们有足够的椅子让大家坐。

   I was fool enough to trust him.

   我真傻，竟会信赖他。

n.

1. 足够，充分[+to-v][（+for）]
   We earned enough to buy a new house.

   我们挣的钱足够买一幢新房子。

   I've had enough, thank you.

   我够了，谢谢。

ad.

1. 足够地；充分地[+to-v]
   They cannot walk fast enough.

   他们走得不够快。

   I'm old enough to handle my own affairs.

   我已经长大了，可以处理我自己的事情。

2. 很，十分
3. 相当地，尚
   The situation is serious enough.

   情况相当严重。

det.

pron.

adv.

1. to the required degree or extent.
2. to a moderate degree.