AnalyzerSentence analysis4SpansSentence鈍い音が聞こえた。1000 character limitAnalyzeSentence鈍にぶい音おとが聞きこえた。Span Details鈍にぶい音おとdull sound; muffled soundexpression, nounがsubject markergrammar聞きこえbe heard; be audible; reach one's ears; sound like; come across as; be well known; be famous; accept someone's words; agree; understand-> 聞こえるichidan verbた。past tense or completed actiongrammar