a. 脑筋好的, 聪明的

[ adj ]
having or marked by unusual and impressive intelligence
<adj.all>
some men dislike brainy womena brilliant mind
a brilliant solution to the problem

Brainy \Brain"y\ (br[=a]n"[y^]), a.
1. Having an active or vigorous mind. [Colloq.]

2. highly intelligent.
[PJC]