Vocabulary

精通

being well versed (in); being well acquainted (with); being familiar (with); having a thorough knowledge (of); being an authority (on)

noun suru-verb vi
freq #21

Example sentences

He acquainted himself with his job.

He is well acquainted with ancient history.

He is at home in French.

He has the subject at his fingertips.

He is thoroughly familiar with the business.

He is familiar with four languages.

Who do you think is familiar with this matter?

Junko is quite familiar with English.