AnalyzerSentence analysis6SpansSentence彼の心は謎だ。1000 character limitAnalyzeSentence彼かれの心こころは謎なぞだ。Span Details彼かれhe; him; boyfriendpronounのpossession, attribution, nominalizer, or nominal linkergrammar心こころmind; heart; spirit; meaning; point; hidden sensenounはtopic markergrammar謎なぞriddle; puzzle; enigma; mystery; enigmatic; mysteriousnoun, no-adjectiveだ。plain copulagrammar