AnalyzerSentence analysis6SpansSentence心からの誓いを胸に刻んだ。1000 character limitAnalyzeSentence心こころからの誓ちかいを胸むねに刻きざんだ。Span Details心こころからfrom the heart; sincerely; heartilyadverbのpossession, attribution, nominalizer, or nominal linkergrammar誓ちかいoath; vownounをobject markergrammar胸むねに刻きざんkeep in mind; take to heart-> 胸に刻むexpression, verbだ。past tense or completed action-> たgrammar