英文是他所通晓的。

The English language is familiar to him.

youdao

XP是为数不多的几种承认您在开始时不可能事事通晓的方法之一。

XP is one of the few methodologies out there that recognizes that you can't know everything when you start.

youdao

他通晓错综复杂的专利法。

He knows his way around the intricate maze of patent law.

《柯林斯英汉双解大词典》

He might be a scientist and know all sorts of things about how light works.

他可能是个科学家,通晓光的原理

耶鲁公开课 - 死亡课程节选