AnalyzerSentence analysis7SpansSentence急に真顔になって、話し始めた。1000 character limitAnalyzeSentence急きゅうに真ま顔がおになって、話はなし始はじめた。Span Details急きゅうにsuddenly; abruptly; quickly; hastily; steeply; sharplyadverb真ま顔がおserious look; straight facenounReport an issue with this page