Something that is insufficient is not large enough in amount or degree for a particular purpose.
例句
He decided there was insufficient evidence to justify criminal proceedings...他认定证据不充分无法提起刑事诉讼。These efforts were insufficient to contain the burgeoning crisis.这些努力不足以抑制迅速扩散的危机。
英汉词典释义
n.
不充足,不足
an insufficiency of funds资金缺乏severe thyroid insufficiency严重的甲状腺不足
英英词典释义
Noun
1. a lack of competence;
"pointed out the insufficiencies in my report""juvenile offenses often reflect an inadequacy in the parents"
2. (pathology) inability of a bodily part or organ to function normally