adj.聪明的;敏捷的;整洁的;
v.感到刺痛;
例句:
What a smart child!
这孩子真神!
Some of the smart ones , hiding themselves behind him, wrinkled their noses in a grimace.
调皮的小伙子, 躲在他背后挤眉弄眼作出怪脸.
He is none too smart.
他一点也不精明.