I know this is a difficult problem, but do you prepare to face the challenge?

我知道这是个难题，但是你准备好迎接这个挑战了吗？

youdao

This is a difficult problem to solve.

这是一个很难解决的问题。

youdao

This is a difficult problem to solve.

这是一个很难解决的问题。

youdao