AnalyzerSentence analysis3SpansSentence感覚が鈍る1000 character limitAnalyzeSentence感かん覚かくが鈍にぶるSpan Details感かん覚かくsense; sensation; feeling; intuitionnoun, suru verbがsubject markergrammar鈍にぶるbecome blunt; grow dull; weaken; decline; faltergodan verb