他对这部电影很了解。

He knows a lot about the movie.

youdao

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》

除了良好的驾驶技术，对出租车司机来说最重要的就是要了解城市的街道。我很了解这座城市，因为我在这里住了很长一段时间。

Besides driving well, the most important thing a taxi driver needs to know is the streets, and I knew the city well because I had lived in it for a long time.

youdao

But it's important for understanding both the Roman Empire, as well as early Christianity and its patron-client relations.

这对了解罗马帝国，早期基督教，及其庇护关系很有帮助。

耶鲁公开课 - 新约课程节选

There was a lot of physics going on, but we didn't know a whole lot about atomic structure back in those days.

物理学在迅速发展，但在这之前并没有人对,原子结构有很全面的了解。

麻省理工公开课 - 固态化学导论课程节选

So, basically what he's saying here is we pretty much understand what's going on there's nothing new to really discover, all we need to do is measure things more precisely.

他的意思也就是说,我们对世界上的所有事情,都很了解了，没有什么新的东西尚待发现的,我们剩下要做的就是。

麻省理工公开课 - 化学原理课程节选