inadequate
单词辨析：
尤指某种不可缺少之物含量不足的，常后接介词 in；也可指某事物不够好的。
He is deficient in vitamin C.
他缺乏维生素C。
They failed to meet the deadline because their time was deficient.
因为缺少时间，他们没能如期完成。
This training system is deficient.
这一训练体系存在着缺陷。
指某事物就某一特定目的而言是不够好的、不足的、有缺陷的；也可指人自认为不能胜任的。
The materials are inadequate for use.
这些资料不够用的。
The tomato supply in that area is inadequate to meet the demand.
那一地区的西红柿供不应求。
The city's recycling system is totally inadequate.
这个城市的垃圾循环系统有严重缺陷。
His partner made him feel totally inadequate.
他的同伴让他觉得自己完全不能胜任。
相关例句：
The coverage of the subject in his botany text is inadequate.
他的植物学教科书中对那题目的叙述不充分。
The basic problems of the inner-city underclass are inadequate housing and lack of jobs
老城区底层人群面临的基本问题是住房紧张和就业不足。
To illustrate his concern that the project's security was inadequate.
也验证了他对这一计划不够安全的担忧。
The product provided inadequate vitamin and mineral supplementation.
这种产品不能充分补充维生素和矿物质。
Declining market share or inadequate profitability is not the problem, but the symptom of the problem.
市场份额下降和盈利能力不足并不是问题本身，而是问题的症状。
If the supply of vitamins and minerals in the diet is inadequate, this will result in changes in body chemistry.
如果饮食中的维生素和矿物质含量太低，将会引起人体化学结构的变化。