机伶的英文：
quick-witted; clever; readily responsive

参考例句：

Clever fellow
机伶鬼儿

quick是什么意思：
adj. 快的；迅速的；灵活的；灵敏的；伶俐的
adv. 快地；迅速地

"Quick at meal, quick at work"
吃得快,做得快

Quick decision is characteristic of him.
快速决定是他的特征。

He runs as quick as a deer.
他跑得跟鹿一样快。

witted是什么意思：
a. 智力的

There is a witness everywhere
群众的眼睛是雪亮的

Wit Bought is better than wit taught
不经一事,不长一智

Long hair and short wit
头发长,见识短

clever是什么意思：
adj. 聪明的，伶俐的；灵巧的，熟练的；机敏的，巧妙的

damn good, clever, etc
非常好、 聪明等

Be honest rather clever
诚实比聪明更要紧

He is very clever at addition.
他擅长加法。