这对我是一个挑战，但我会努力。

It's a big challenge for me, but I will do that here.

youdao

这对我是一个挑战。

This is a challenge for me.

youdao

这对我们所有人来说都是一个挑战，尤其是我生病的母亲。

It was really challenging for all of us, especially for my mother, who got sick.

youdao

So that was a challenge.

所以这对我来说是一个挑战。

普林斯顿公开课 - 人性课程节选