AnalyzerSentence analysis6SpansSentence真剣な話があるんだ。1000 character limitAnalyzeSentence真しん剣けんな話はなしがあるんだ。Span Details真しん剣けんserious; earnest; sincerena-adjective, nounなadnominal form of the copula (after a na-adjective or noun)grammarReport an issue with this page