That question is difficult to answer .

那个问题很难回答。

youdao

This is an important question that is difficult to answer, because lovers play a very different role in our lives than friends do.

这是个很重要且难以回答的问题，因为与朋友相比，情人在我们的生活中扮演着完全不同的角色。

youdao

The rule is that the person onstage can refuse to answer any question. By its design, people are encouraged to ask difficult and uncomfortable questions.

规则是，在场上的人可以拒绝回答任何一个问题，但是以其设计来看，每个人都要求去问那些很难的，甚至是让人不舒服的问题。

youdao

Whether its bifurcation or rolling the ball back I don't know what the answer is, but the environmental question is really the one that is difficult for the manufacturers to refute.

WSJ: Rory McIlroy, Nike Hoping for Long-Term Benefit