AnalyzerSentence analysis2SpansSentence一心不乱に1000 character limitAnalyzeSentence一いっ心しん不ふ乱らんにSpan Details一いっ心しん不ふ乱らんwholeheartedly; single-mindedly; with intense concentrationna-adjective, nounにdirection, time, indirect object, or target markergrammar