AnalyzerSentence analysis4SpansSentence約束は守らなければならない。1000 character limitAnalyzeSentence約やく束そくは守まもらなければならない。Span Details約やく束そくpromise; agreement; one's word; contract; appointment; engagement; date; convention; rule; destiny; fatenoun, suru verbはtopic markergrammar守まもらprotect; guard; defend; keep (a promise); observe (rules); follow-> 守るgodan verbなければならない。must; have togrammarAlso Foundならないならないcannot help feeling; unbearably; irresistibly; must not; should not; must; have to; ought to; cannot; unable to; notoptional
