AnalyzerSentence analysis5SpansSentence彼は歴史に詳しい。1000 character limitAnalyzeSentence彼かれは歴れき史しに詳くわしい。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar歴れき史しhistorynounにdirection, time, indirect object, or target markergrammar詳くわしい。detailed; full; minute; knowledgeable; well-informed; familiari-adjective