AnalyzerSentence analysis3SpansSentence真剣な話をしよう。1000 character limitAnalyzeSentence真しん剣けんな話はなしをしよう。Span Details真しん剣けんserious; earnest; sincere; real sword; actual bladena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar話はなしをしよう。have a talk; tell a story-> 話をするexpression, suru verb