让他谈话并不难—难的是让他住口！

It's not hard to get him talking—the problem is stopping him!

《牛津词典》

我猜这起初挺难的吧。

And I guess that can be hard at first.

youdao

我从未经历过像那次一样难的期末考试。

I never went through a final exam that was as difficult as that one.

《柯林斯英汉双解大词典》

I realize I've given you some difficult mathematics, but--it's not that difficult actually-- but I kind of went through it quickly.

我发现我给了你们一些比较难的数学公式，不过，并不是想象的那么难-,我很快就把它们讲完了。

耶鲁公开课 - 金融市场课程节选

and she's now playing some pretty fairly difficult things considering that she has only taken for a couple of years. So,

尽管她才学了几年，她现在已经可以弹奏比较难的曲目了。所以，

和钢琴老师 - SpeakingMax英语口语达人

The first study, the one with the deceptive dolls with the big shoes and little shoes, is actually fairly difficult.

第一个研究用了有欺骗性的,穿着大鞋和小鞋的洋娃娃,实际上是非常难的

耶鲁公开课 - 心理学导论课程节选