他是个非常精通机械的人，对声音很了解。

He was a very mechanical person, who knew a lot about sound.

《柯林斯英汉双解大词典》

这些数学圈子不花钱，或者对学生来说，想要参与其中也非常便宜，但是你必须了解它们。

These math circles cost nothing, or they're very cheap for students to get involved in, but you have to know about them.

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我对她性格的了解使我觉得她是个非常负责、绝不会干那些事的人。

My reading of her character makes me feel that she was too responsible a person to do those things.

《柯林斯英汉双解大词典》

So, it's important to get a little bit of a sense of what all these different kinds of lights do.

对所有这些不同种类的光波,有个大致的了解是非常重要的。

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But I also have a weakness for the less common mental disorders that I think tell us something really interesting about mental life.

但我对那些不太常见的心理障碍,也并不是非常了解,不过我倒认为这些不常见的心理障碍,却向我们展示了心理活动有意思的一面

耶鲁公开课 - 心理学导论课程节选