ひ弱さ

(1)the property of lacking physical or mental strength; liability to failure under pressure or stress or strain; "his weakness increased as he became older"; "the weakness of the span was overlooked until it collapsed"

(2)肉体的な、または精神的な強さを欠いた特性

(3)圧力やストレスや緊張のもとで失敗しやすいこと

(4)the state of being weak in health or body (especially from old age)

(5)健康面や身体面で弱い状態（特に年を取ってからの）

(6)powerlessness revealed by an inability to act; "in spite of their weakness the group remains active"

(7)行動できないことで明らかにされた力のなさ

(1)