It's difficult to know exactly where you will be and what you will be doing.

很难确切知道你将在哪里，将做何事。

youdao

"The challenge is if certain types of people are doing something, it's difficult for other people to break into it," said Po-Shen Loh, the head coach of last year's winning U.S. Math Olympiad team.

去年获胜的美国数学奥林匹克代表队的总教练罗博深说：“挑战在于，如果某些类型的人正在做某事，其他人就很难成功打入其中。”

youdao

It's really difficult to focus on eating if you're doing other things.

如果你吃东西的时候做其他事情，就很难把重点放在吃上。

youdao

To me, it's, it's difficult to tell independent of what they're doing.

对我来说，很难单独地说出他们所做的一切。

关于网络世界 - SpeakingMax英语口语达人

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"I don't think it's difficult for our guys to feel that they're capable of doing this, " he said.

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