The exam questions were quite difficult.

考题相当难。

《牛津词典》

Achieving these goals is relatively easy in theory, yet quite difficult in practice.

实现这些目标从理论上说比较容易，但在实践上却相当困难。

《柯林斯英汉双解大词典》

It's quite difficult to reach a compromise with someone who is angry.

和正在气头上的人达成妥协是非常艰难的。

youdao

That's a quite difficult argument to pin down does it work or does it not work.

这个论证很难确定,是不是说得通。

耶鲁公开课 - 死亡课程节选

So it's quite difficult in the real world for candidates to position themselves.

所以在现实生活中候选人,选择位置是很难的

耶鲁公开课 - 博弈论课程节选

So, if you smile at somebody, and you just hate their guts but you want to smile at them, it's--unless you're quite gifted it's difficult to fake a really good, really happy smile.

所以，你对某人微笑，你很讨厌他们，但你要对他们微笑，除非你很有天赋,很难去假笑，伪装真正的微笑。

耶鲁公开课 - 心理学导论课程节选

Heck, it's actually quite difficult to write a good love song because, yeah, love is wonderful.

NPR: Moby Checks in with 'Hotel'

David Hutt, who was a voluntary board member, said all credit unions found life quite difficult.

BBC: Severn Four Credit Union in Bristol closes

We also recognise that this might be quite difficult - there are 27 countries involved.

BBC: UK aims for 'ambitious reform' of EU farm subsidies