AnalyzerSentence analysis4SpansSentence知った風な口をきくな。1000 character limitAnalyzeSentence知しった風ふうな口くちをきくな。Span Details知しった風ふうpretending to know; acting like one knowsexpression, na-adjectiveなadnominal form of the copula (after a na-adjective or noun)grammarReport an issue with this page