已经达成的成就是非常确定的。

Proven achievement is very certain.

youdao

这是个表示肯定的回答，但并非一个非常确定的回答。

It's a positive answer, but not a very certain one.

youdao

我们知道黑猩猩也讨厌其他黑猩猩的痛苦，这是非常确定的。

We know pain is — of others is aversive for chimpanzees and we know this in certain ways.

youdao

It's not just that Satan or the moon or whatever it is that we're looking at seems indeterminate until we get a proper look at it.

不仅是撒旦或月亮或者任意什么,我们在关注的，看起来非常不确定,直到我们得到了一个合理的想法。

耶鲁公开课 - 弥尔顿课程节选

You don't have to be very smart to figure out where one word begins and one word ends.

你并不需要非常聪明才能够确定,哪里是单词的开始和结束

耶鲁公开课 - 心理学导论课程节选

Well, we can't guarantee with UV light we'll have enough energy to eject every single electron, so that's why when we use x-rays, they're higher energy, you can pretty much be guaranteed we're going to eject all of those electrons there.

好，我们不能保证紫外光有足够的能量,激发出每一个电子，所以我们要使用，X，射线，它的能量更高，你可以非常确定,我们可以激发出其中所有的电子。

麻省理工公开课 - 化学原理课程节选