“丰富知识”用英语怎么说

专家在某一科目中具有丰富知识或高度技巧的人:

1. A person with a high degree of skill in or knowledge of a certain subject.

profound knowledge

A wealth of knowledge. E.g. Samuel H. Smith spent twenty years in China prior to his professorship at Harvard. He has a wealth of knowledge about China.

enough knowledge

plenty of knowledge