complaining

The complaining customer demanded a refund for the damaged product.

用法提示：这里'complaining'作为形容词修饰'customer'，表示发牢骚的顾客。

Her complaining tone made everyone in the room uncomfortable.

用法提示：'Complaining'直接修饰'tone'，形容充满抱怨的语调。

I try to avoid sitting next to complaining colleagues during lunch.

用法提示：'Complaining'作为形容词修饰'colleagues'，表示经常抱怨的同事。