She had a brilliant mind.

她有极聪明的头脑。

I was captivated by her brilliant mind.

我为她的聪慧所迷。

His vague manner concealed a brilliant mind.

他大智若愚。

Hermione has a brilliant mind.

赫敏有着极为聪明的头脑。

He has a brilliant mind.

他智力超群。