"gripe" in Chinese (Simplified)
抱怨发牢骚
Definition
通常指不是很严重地抱怨某事，也可以作名词，指抱怨本身。
Usage Notes (Chinese (Simplified))
“gripe” 是非正式用语，通常指对小事抱怨，常与 'about' 连用（如 'gripe about something'）。比 'complain' 更随意，语气也较轻松。过于频繁使用会显得唠叨。
Examples
He loves to gripe about homework.
他喜欢**抱怨**作业。
My only gripe is the slow service.
我唯一的**抱怨**就是服务太慢。
Don't gripe just because it's raining.
别因为下雨就**抱怨**。
She’s always got a new gripe about her job.
她总是有新的**抱怨**工作。
If you’re going to gripe, at least suggest a solution.
如果你要**抱怨**，至少提个解决办法。
"Here he goes again, starting to gripe about Monday mornings!"
“他又来了，又开始**抱怨**星期一早晨！”