AnalyzerSentence analysis3SpansSentence無謀な挑戦1000 character limitAnalyzeSentence無む謀ぼうな挑ちょう戦せんSpan Details無む謀ぼうreckless; rash; ill-advisedna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar挑ちょう戦せんchallenge; attempt; defiancenoun, suru verb