n. an adequate quantity; a quantity that is large enough to achieve a purpose
r. as much as necessary; (`plenty' is nonstandard) "I've had plenty, thanks"
n. 充足, 够, 很多
a. 充足的, 足够
adv. 足够
interj. 够了
1. I have enough money to buy a new phone.
我有足够的钱买一部新手机。
2. She is old enough to go to school by herself.
她已经足够大，可以自己去上学了。
3. Is this book big enough for all the information?
这本书足够大，可以容纳所有信息吗？