AnalyzerSentence analysis2SpansSentenceキヌタ骨1000 character limitAnalyzeSentenceキヌタ骨ぼねSpan Detailsキヌタfulling block; beating block for cloth-> 砧noun骨ぼねbone; frame; framework; outline; core; backbone; spirit; fortitude; laborious; troublesome; difficultnoun, na-adjective