substandard
adj. 不合规格的；标准以下的
例句
It comes as a shock to us that some milk powder producers produce substandard milk powder which would bring harm to babies.
一些奶粉生产商生产有害婴儿的不合格奶粉，这让我们感到很震惊。
The cold has made already substandard living conditions even worse.
寒冷的天气使得原本就低于正常水平的生活条件更加低劣。
《柯林斯英汉双解大词典》
Residents in general are poor and undereducated, and live in substandard housing.
居民一般都很穷、受教育程度低，而且居住条件很差。
