insufficient
翻译
不足的, 不够的
例句
There is insufficient evidence to prove it.
没有足够的证据来证明它。
His salary is insufficient for their needs.
他的薪水不足以满足他们的需要。
语法模式
((for sth./sb.)) 对…来说不够 His salary is insufficient for their needs.
((to do sth.)) 不足以做… There is insufficient evidence to prove it.
近义词
同义词: inadequate, lacking, deficient; 反义词: sufficient, adequate, enough
词源
来自前缀“in-”（不）+“sufficient”（足够的）。字面意思是“不够”。
记忆技巧
记住“in-”常常表示“不”，所以这个词就是“不充足的”。