AnalyzerSentence analysis3SpansSentenceこわばった笑顔1000 character limitAnalyzeSentenceこわばった笑え顔がおSpan Detailsこわばっstiffen; become stiff; harden-> こわばるgodan verbたpast tense or completed actiongrammar笑え顔がおsmile; smiling facenounReport an issue with this page