AnalyzerSentence analysis4SpansSentence環境を守らなければならない。1000 character limitAnalyzeSentence環かん境きょうを守まもらなければならない。Span Details環かん境きょうenvironment; surroundings; circumstancesnounをobject 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
