AnalyzerSentence analysis4SpansSentence苦労が絶えない。1000 character limitAnalyzeSentence苦く労ろうが絶たえない。Span Details苦く労ろうtrouble; hardship; difficulty; labor; toil; pains; anxiety; worry; concern; caresnoun, suru verbがsubject markergrammar絶たえdie out; become extinct; peter out; cease; be discontinued; be cut off-> 絶えるichidan verbない。negative auxiliarygrammar