詳くわしい

i-adjective

knowledgeable; well-informed; familiar

Describes a person who knows a lot about a subject or is well-acquainted with something. Often used with に to mark the area of knowledge (e.g., 歴史に詳しい). Antonym: 疎い (うとい).

Antonyms: 疎い

• 彼かれは日本にほんの歴れき史しに詳くわしい。

  He is knowledgeable about Japanese history.

• この辺あたりの地ち理りに詳くわしい人ひとを探さがしている。

  I'm looking for someone who is familiar with the geography of this area.