If you’ve never done hill workouts before, take it easy in the beginning, as with any exercise.

如果你之前没有做过，那应当把这 个训练看轻松一些，就像其他任何训练一样。

youdao

I asked the student if he had done any previous preparation for the exam, he was preparing to take in a week and a half.

我问过了一位学生，他是否在考试之前做足了准备，他正准备着在一周半后去考试呢。

youdao

No harm was done, but NASA did not want to take any chances.

没有造成危害，但美国航天局不愿冒险尝试发射。

youdao

But we have to admit Australia were cute enough to handle those situations and had done enough to take advantage of any mishaps or what we or the weather could throw at them.

BBC: Russel Arnold's column

But before we actually take any such decision we should in fact look at how much is already being done to address the problem.

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"I then did what I have nearly always done and that was to pull out my phone to complete any other messaging I had to do before take off, " he said.

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