AnalyzerSentence analysis6SpansSentence彼は研究に一途だ。1000 character limitAnalyzeSentence彼かれは研けん究きゅうに一途いちずだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar研けん究きゅうresearch; study; investigationnoun, suru verbにdirection, time, indirect object, or target markergrammar一途いちずsingle-minded; wholehearted; earnestna-adjective, noun, noun suffixだ。plain copulagrammar