insufficiency:

a)The quality or state of being insufficient, especially:

缺乏：不足的性質或狀態，特別是

b)Moral or mental incompetence.

道德或精神上的不勝任

c))Inadequate supply:

供給不足：

an insufficiency of funds.

資金缺乏

d)Inability of a bodily part or an organ to function normally:

機能不全：身體的部分或器官不能正常工作：

cardiac insufficiency.

心臟機能不全

e)A failing; an inadequacy:

失敗；缺陷：

pointed out the insufficiencies in my report.

指出我的報告中的不足之處

deficiency

a)The quality or condition of being deficient; incompleteness or inadequacy.

缺點，缺陷：不完善的性質或狀況；不完整或不充足

b)A lack or shortage, especially of something essential to health; an insufficiency:

缺乏，缺少：不足，尤指對健康十分必需的東西；不夠：

a nutritional deficiency.

營養缺乏