smarty-pants是什么意思？smarty-pants[]
n.
自以为是的家伙,自作聪明的人(好像他/她无所不知)

Function: noun [noncount]

Status: informal

Meaning:
: a person who acts like he or she knows everything
Examples:
<Go ahead, smarty-pants, tell us about your grade-point average.
>
<Don't be such a smarty-pants.
[=know-it-all]>