AnalyzerSentence analysis3SpansSentence大事な試合1000 character limitAnalyzeSentence大だい事じな試し合あいSpan Details大だい事じimportant; serious; crucial; valuable; precious; treasured; serious matter; major incident; crisis; great undertaking; great enterprise; great thing; safe; OKna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar試し合あいmatch; game; bout; contestnoun, suru verb