她纯粹由于不用心，把一件重要项目完全搞砸了。

She completely mishandled an important project purely through lack of attention.

《柯林斯英汉双解大词典》

他们完全无能为力的想法突然变得不现实，更不用说令人讨厌了，所以他们反而会产生自己可能可以改变事情的想法。

The notion that they're utterly powerless suddenly seems unrealistic not to mention rather annoying so they're prompted instead to generate ideas about how they might change things.

youdao

有一个好消息，我完全不用动手术。

Good news, I'm not going to have surgery after all.

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

or totally grammatically correct or might sound awkward,

也不用在乎语法是否完全正确，或者听起来是否别扭，

想学好英语吗？ - SpeakingMax英语口语达人

I want to just use it, I shouldn't have to worry about what variables I use inside of it, I have shouldn't have to worry about where that is in the code, I should be able to just abstract it away. And that's what we want to add today, are those two things.

我只是想使用它,我不用考虑我在这段代码中,使用的是什么变量,我完全不用考虑代码的内容,只要抽象就好,我们今天想补充的内容就是这两点。

麻省理工公开课 - 计算机科学及编程导论课程节选