It would be rash to try an exam like BEC Higher without having done any preparation at all, even if your English is very good.

即使你的英语很好，如果你没有做任何准备就参加 BEC 高级考试，那也太草率了。

youdao

You can congratulate yourself on having done an excellent job.

你应该为你出色的工作感到自豪。

《牛津词典》

What are you most proud of having done?

你迄今做过的最让你自豪的事是什么？

youdao

Reactions to the news were swift, with some opposition politicians praising the justice system for having done its work.

VOA: standard.2009.10.30

Right, having done that, we can certainly get to more complicated things, so for example, suppose I look at that expression.

好，说完了这一点，我们就可以讲些复杂些的话题了，例如，假设我看到了这个表达式。

麻省理工公开课 - 计算机科学及编程导论课程节选

Having done that, it goes back up and picks the second sub-list, which came from there. It's a down to base case, merges it.

就是从那里得来的,完成这些后,回到上一步。

麻省理工公开课 - 计算机科学及编程导论课程节选

Brent and I knew each other, minimally, from having done some play leadings together.

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Last year, Case fell off the list, having done so a couple of times before.

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Having done all of this, people should be banging on your door to buy you.

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