AnalyzerSentence analysis3SpansSentence勢いが衰える1000 character limitAnalyzeSentence勢いきおいが衰おとろえるSpan Details勢いきおいforce; vigor; energy; power; influence; authority; momentum; impetus; impulse; inevitably; naturally; necessarilynoun, adverbがsubject markergrammar衰おとろえるweaken; decline; waste awayichidan verb
