AnalyzerSentence analysis3SpansSentence一心不乱に働く1000 character limitAnalyzeSentence一いっ心しん不ふ乱らんに働はたらく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働はたらくwork; labor; function; operate; be effective; come into play; commit; perpetrate; do wrong; be conjugatedgodan verb