AnalyzerSentence analysis5SpansSentence彼はひたすら勉強した。1000 character limitAnalyzeSentence彼かれはひたすら勉べん強きょうした。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammarひたすらsingle-mindedly; intently; devotedly-> 只管adverb, na-adjective勉べん強きょうstudy; learning; diligence; hard work; effort; experience; knowledge; lesson; discount; price reductionnoun, suru verbした。light/support verb with a noun or noun-like phrase-> するgrammar