Some tricky issues are coming up fast.

一些棘手的问题正迅速浮出水面。

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That still leaves some tricky questions.

那仍然留下了一些难题。

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This would seem simple enough, but can cause some tricky problems.

这看起来很简单，但是有可能带来一些不易处理的问题。

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And some expect their government to be strong in protecting people from dishonest business practices and tricky con-artists.

VOA: special.2011.06.24

Now, there are some tricky problems in the book.

咱们书上有些题目会有陷阱

耶鲁公开课 - 基础物理课程节选

You can imagine how some of those details might go, and then some of the questions get rather tricky.

我们可以想象种种细节，有些问题会变得很难办。

耶鲁公开课 - 死亡课程节选

As in next-door Germany, the two biggest parties clearly have some tricky coalition-building ahead of them.

ECONOMIST: Return of the right | The

"This has been an unusual summer with some tricky weather, " the RNLI's Insp Tom Mansell said.

BBC: RNLI blames 'tricky' weather for SW lifeboat launch rise

But charging different fees for different subjects at the same university could throw up some tricky issues.

BBC: Students could be tough customers