AnalyzerSentence analysis2SpansSentenceふっと笑う1000 character limitAnalyzeSentenceふっと笑わらうSpan Detailsふっとwith a puff; with a whiff; suddenly; abruptly; without warningadverb笑わらうlaugh; smile; laugh at; ridicule; sneer at; be dumbfounded; be flabbergasted; can only laughgodan verb