所以，如果这是第一次无意的，不是。

So if it was first time wilful, no.

youdao

如果这是第一次或者第二次发生，不要理会。

If this is a first or second time occurrence, let it go.

youdao

如果这是第一次，您使用的平行线，该向导将自动启动。

If this is the first time you're using Parallels, the Wizard will launch automatically.

youdao

It decreases. If you're still not completely up on the periodic trends, that is stuff that's going to be on the first exam, so make sure that you're able to do this without taking too much time to think about it.

它会降低，如果你还没有完全掌握周期性规律，而这是第一次考试要求的内容，因此请务必做到不用,想太久就能做到这点。

麻省理工公开课 - 化学原理课程节选

How would it strike you if you knew nothing about it, if you had never heard of it before, if you open up the covers of this book for the first time?

如果你对新约一无所知，如果你对新约为所未闻，如果这是你，第一次翻开新约，会有什么感觉？

耶鲁公开课 - 新约课程节选