querulous

The querulous customer complained about the soup being too cold, even though it had just been served.

用法提示：querulous 作为形容词，描述这位顾客习惯性抱怨的特点。

Her querulous tone during the meeting annoyed everyone in the room.

用法提示：querulous 修饰语气，表明她持续不满的状态。

The old man grew increasingly querulous as his health declined.

用法提示：querulous 用作表语，描述其性格变得挑剔、常发牢骚。