AnalyzerSentence analysis6SpansSentence彼は北京語が堪能だ。1000 character limitAnalyzeSentence彼かれは北京語ぺきんごが堪たん能のうだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar北京語ぺきんごBeijing dialect; Pekingesenounがsubject markergrammar堪たん能のうproficient; skilled; accomplished; enjoy fully; have one's fill; be satiatedna-adjective, noun, suru verbだ。plain copulagrammar