贫乏

a poor/needy family

This article is short on rhetoric, but long on substance.

I am deficient in experience in this field.

lifeless/colourless language; flat, monotonous language

empty head

meagre/small vocabulary

be poor in natural resources; be short of natural resources

be lacking in knowledge; be deficient in knowledge

show a poverty of/be poor in imagination

be poor in produce

be lacking in ideas

energy-poor country

be insufficient in content; be devoid of matter; lack content

lack experience

be spiritually impoverished