He thinks little before doing.

他做事很少考虑。

youdao

I advise you to make a plan before doing your homework.

我建议你在做作业之前制定一个计划。

youdao

The students were into four groups before doing experiments.

学生们在做实验前分成四组。

youdao

Doing this before arrival would give port officials time to try to identify suspicious activities.

VOA: special.2009.02.10

Of course, before doing so, he says, "you must call him first a tyrant."

当然，在叛乱或是弑君之前，你得确定你要诛杀的是一位暴君“

耶鲁公开课 - 政治哲学导论课程节选

before he became really big when he was here in town doing his TV show,

在他大红大紫之前，他来这里拍电视剧，

记忆犹新的乘客 - SpeakingMax英语口语达人

Before doing so you should determine how much risk you are willing to live with.

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You would need to test that the view is not in a window before doing this.

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Lin began strutting his stuff on social media long before doing it for the Knicks.

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