AnalyzerSentence analysis3SpansSentence退屈させない1000 character limitAnalyzeSentence退たい屈くつさせないSpan Details退たい屈くつboring; tedious; dull; feel bored; get bored; get tired ofna-adjective, noun, suru verbさせcausative auxiliary-> せる/させるgrammarないnegative auxiliarygrammar