"whining" in Chinese (Simplified)
发牢骚哀鸣
Definition
发出尖锐抱怨的声音，或以烦人的语气反复表达不满或不快。
Usage Notes (Chinese (Simplified))
通常为口语，常指小孩、宠物或表现幼稚的大人。常见‘stop whining’、‘whining about’等用法。既可以指说话抱怨，也可以是像狗一样的叫声。不用于正式或严肃的投诉。
Examples
The baby is whining because he is tired.
宝宝因为累了在**发牢骚**。
My dog keeps whining at the door.
我的狗一直在门口**哀鸣**。
She started whining about her homework again.
她又开始**发牢骚**说作业了。
Stop whining and just do it already!
别**发牢骚**了，快做吧！
He's always whining about not having enough money.
他总是**抱怨**没钱。
You can hear the car's engine whining in cold weather.
在冷天你能听到汽车发动机在**哀鸣**。