deficient

adj

1. inadequate in amount or degree

e.g. a deficient education
deficient in common sense
lacking in stamina
tested and found wanting

Synonym: lacking(p)wanting(p)

2. falling short of some prescribed norm

e.g. substandard housing

Synonym: inferiorsubstandard

3. of a quantity not able to fulfill a need or requirement

e.g. insufficient funds

Synonym: insufficient

1. 缺乏的;缺少的;不足的
If someone or something is deficient in a particular thing, they do not have the full amount of it that they need in order to function normally or work properly.

e.g. ...a diet deficient in vitamin B.
缺乏维生素 B 的饮食

2. 有缺点的;有缺陷的;不完善的
Someone or something that is deficient is not good enough for a particular purpose.

deficient是什么意思

e.g. ...deficient landing systems.
存在缺陷的降落系统

1. 有缺点,不足的：defer 延期 | deficient 有缺点,不足的 | deficit 赤字,不足(额)

2. 缺少的,缺损的,缺陷的：deficiency 缺乏,缺损,缺陷 | deficient 缺少的,缺损的,缺陷的 | defined 确定的

3. 缺乏的：deficient 缺乏的 | proficient 精通 | efficient 有效的