名詞 weakness:

1. a flaw or weak point
   同義詞：failing
2. powerlessness revealed by an inability to act
   同義詞：helplessness, impuissance
3. the property of lacking physical or mental strength; liability to failure under pressure or stress or strain
4. the condition of being financially weak
5. a penchant for something even though it might not be good for you

1. The Governmentis worried about the weakness of the pound (against other currencies).
   英國政府憂慮貨幣(較之其他貨幣)疲軟。
2. The book's weakness is the author's inability to sustain an argument.
   該書的缺點在於作者未能把論證展開。
3. There is an inherent weakness in the design.
   這設計本身存在弱點。
4. There is still some weakness in the legs, but her general condition is good.
   她雙腿仍有些軟弱無力，但總的情況尚好。
5. We all have our little weaknesses.
   我們都有些小缺點。

weak.ness

n.（名詞）
The condition or quality of being weak.
虛弱：虛弱的狀態(tài)或狀況
A personal defect or failing.See Synonyms at fault
弱點：個人不足或缺點參見 fault

A special fondness or inclination:
愛好：特別的喜愛或傾向：
例句：
has a weakness for fast cars.
對跑車特別的喜愛

Something of which one is excessively fond or desirous:
寵愛的東西：某人過分喜愛或渴望的東西：
例句：
Ice cream is his weakness.
冰淇凌是他最喜歡的東西