I can't say making a romantic comedy is challenging, but to do anything well, you have to put yourself into it.

我不能说拍浪漫喜剧有挑战性，但是你要把任何事做好，你就必须全身心投入。

youdao

If an activity is more challenging, we might feel a greater sense of satisfaction when we manage to do it successfully.

如果一个活动更有挑战性，我们可能会感到更大的满足感，当我们成功如何才能做到这一点。

youdao

But it is a challenging environment in which to do that.

WHITEHOUSE: President Obama News Conference

It is the right to do that, without due process, that Mr Maduro is now challenging.

ECONOMIST: UN law

It is often far more effective to give them something challenging to do.

CNN: STORY HIGHLIGHTS