对于孩子来说，时差会非常难受，他们能感觉到时差的影响，但不明白这是为什么。

Jet lag can be brutal to a child who feels the effects but doesn't understand why.

youdao

我可以理解为什么厚颜无耻又麻木不仁的人会很粗鲁，但不明白为什么敏感的人也是如此。

That's one of the things that makes his antisocial behavior, his rudeness, so unconscionable. I can understand why people who are thick-skinned and unfeeling can be rude, but not sensitive people.

youdao

我们清楚整个吸水的过程需要12到24个小时，但不明白为什么不同的花瓣会吸收不同的颜色。

We know the process takes between 12 and 24 hours, but not how the different petals turn out different colours.

youdao

I sometimes have trouble with students who talk very softly which is alright in itself and sometimes very sweet.

有时候有些同学说话轻声轻语,这样说话本身没什么,但我却有时听不太明白。

麻省理工公开课 - 电影哲学课程节选

But I don't really know 'cause he didn't have the Internet. See?

但我不知道具体的结果，因为他不能使用网络。明白了吗？

理想是当密码专家 - SpeakingMax英语口语达人

Something less easy to say confidently, but probably clear, I think, is the whole legacy of Mycenaean culture is really lost, not fully though.

有些事想确切地说出来不容易,但可能已经比较明白了,我想,就是整个迈锡尼文明留下的遗产,确实遗失了,虽然并不是一点都没留下

耶鲁公开课 - 古希腊历史简介课程节选