fragility
  脆弱,虛弱
  fra·gil·i·ty /frəˈʤɪlətɪ/ 名詞
  脆性,脆弱
  Fra·gil·i·ty n.
  1. The condition or quality of being fragile; brittleness; frangibility.
  2. Weakness; feebleness.
     An appearance of delicacy, and even of fragility, is almost essential to it [beauty].   --Burke.
  3. Liability to error and sin; frailty. [Obs.]
     The fragility and youthful folly of Qu. Fabius.   --Holland.
  ◄ ►
  fragility
       n 1: quality of being easily damaged or destroyed [syn: breakability]
       2: lack of physical strength [syn: delicacy]