enough

詞意辨析：

adequate, enough, sufficient

這些形容詞均含“足夠的，充足的”之意。
adequate: 指數量上足夠，質量上適當。
enough: 最普通用詞，口語、書面語可用，較側重分量或數量的足夠，多指希望的滿足。
sufficient: 正式用詞，側重數目或數量或程度達到某一特定要求或需要。enough

英文解釋：

名詞 enough:

1. an adequate quantity; a quantity that is large enough to achieve a purpose
   同義詞：sufficiency

形容詞 enough:

1. enough to meet a purpose
   同義詞：adequate, decent

副詞 enough:

1. as much as necessary
   同義詞：plenty

中英例句：

1. I've had enough of her continual chatter.
   我已厭煩了她喋喋不休的閒談。
2. Do you have enough time to finish the paper?
   你有足夠的時間寫完論文嗎？
3. Enough is as good as a feast.
   知足常樂。