AnalyzerSentence analysis3SpansSentence体力が衰える1000 character limitAnalyzeSentence体たい力りょくが衰おとろえるSpan Details体たい力りょくphysical strength; stamina; endurance; strength (of a business, economy, etc.)nounがsubject markergrammar衰おとろえるweaken; decline; waste awayichidan verb