He is the cleverest in the class.

他是班里最聪明的学生。

She is the cleverest girl in our school.

她是我们学校最聪明的女孩子。

Of all his brothers, he is the cleverest.

他是兄弟中最聪明的。

WHICH countries have the cleverest hackers?

最聪明的黑客来自哪个国家？

I think he is the cleverest animal of all.

我认为他是最聪明的动物所有。