这件事决心难下，但我们决定冒险一试。

It was a difficult decision but we decided to risk it.

《牛津词典》

有时候，这意味着选择一条难走的道路。

It will sometimes mean choosing a difficult path instead of an easy one.

youdao

对我来说，要成为别人绘画作品中的一笔，实在有点难。

To me,the whole process of being a brush stroke in someone else's painting is a little difficult.

youdao

But I want you guys to think about why it was difficult to do it another way, which is more pedestrian.

但是我希望你们能思考一下,为什么用另一种更普遍的方法来做,反而会比较难呢

耶鲁公开课 - 基础物理课程节选

Yeah, but I think it's also an important skill. You need to be able to express what you know

难，但是我也觉得这是一种重要的技能。你必须能够把你知道的表达出来，

沟通很重要 - SpeakingMax英语口语达人

Because it's hard when you go back being part of any group. Once you are in that group, and away from other people, it's very hard to remember We've talked that -Oh, have you?

因为如果你回到原来的群体中,就会变得难了，因为你只要一呆在那个群体中，远离其他人，就很难,我们聊过这个，-是吗？

普林斯顿公开课 - 人性课程节选