AnalyzerSentence analysis6SpansSentenceうっかり約束を忘れていた。1000 character limitAnalyzeSentenceうっかり約やく束そくを忘わすれていた。Span Detailsうっかりcarelessly; inadvertently; absent-mindedlyadverb約やく束そくpromise; agreement; one's word; contractnoun, suru verbReport an issue with this page