AnalyzerSentence analysis4SpansSentenceナイフが鈍った。1000 character limitAnalyzeSentenceナイフが鈍にぶった。Span Detailsナイフknifenounがsubject markergrammar鈍にぶっbecome blunt; grow dull; weaken; decline; falter-> 鈍るgodan verbた。past tense or completed actiongrammar
