她说自己多么聪明，未免言过其实。

She makes herself out to be smarter than she really is.

《牛津词典》

我有一个多么聪明的妻子啊！

What a clever wife I have!

youdao

男孩说：“我们有一个多么聪明的埃尔西！”

The boy said: "What a clever Elsie we have!"

youdao

And it turns out the big determinant of how well you speak English as an immigrant isn't how smart you are.

作为移民,你的英语口语究竟有多么流利,最大的决定因素并非你有多么聪明

耶鲁公开课 - 心理学导论课程节选

Now, these--the nature of these responses, this preferring faces, this sort of mimicry, is a matter of debate, and there's a lot of research going on asking how smart are babies.

这些天生的反应,这些对面孔的偏好,这种模仿,如今仍存有争论,许多研究依然在探寻婴儿究竟有多么聪明

耶鲁公开课 - 心理学导论课程节选