It may be difficult to do at first. Don't let this discourage you.

开始时做起来也许比较困难。不要让这个泄你的气。

《柯林斯英汉双解大词典》

It's difficult to do it right.

很难把它做好。

youdao

When a person is born without legs, there are plenty of things that are difficult to do.

当一个人生来就没有腿，有很多事情做起来都很困难。

youdao

Without Tiger Woods, it makes it very very difficult to do that,". In addition to Accenture, Gillette chose to limit Wood's role in its $5 million yearly deal with him.

VOA: standard.2009.12.16

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

Isn't it difficult to do that as someone majoring in engineering?

主修工程学的人做这个困难吗？

沟通很重要 - SpeakingMax英语口语达人

In practice, I think it's very difficult to do on any kind of a scale.

WSJ: Reaching Outside The Ivory Tower

His team cloned the first dog, considered very difficult to do because of the reproductive cycles.

NPR: Author of Debunked Stem-Cell Papers Apologizes

One reason few cyclists traverse Trail Ridge Road is that it logistically difficult to do.

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