AnalyzerSentence analysis7SpansSentence彼は古代ローマの歴史に詳しい。1000 character limitAnalyzeSentence彼かれは古こ代だいローマの歴れき史しに詳くわしい。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar古こ代だいローマancient Romenounのpossession, attribution, nominalizer, or nominal linkergrammar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