AnalyzerSentence analysis3SpansSentence愚かな行為1000 character limitAnalyzeSentence愚おろかな行こう為いSpan Details愚おろかfoolish; stupid; sillyna-adjectiveなadnominal form of the copula (after a na-adjective or noun)grammar行こう為いact; deed; conductnounReport an issue with this page