他是班上最聪明的孩子，总能想出别人想不到的答案。

He is the ___cleverest kid in class, always coming up with answers others can't think of.

这个玩具最巧妙的设计是它可以自动变换形状。

The ___cleverest feature of this toy is how it changes shape automatically.

她最机智的评论化解了尴尬的场面。

Her ___cleverest remark lightened up the awkward situation.