grumble
US /ˈɡrʌm.bəl/
UK /ˈɡrʌm.bəl/

动词
1.
抱怨, 发牢骚
to complain about something in a bad-tempered way
示例:
•
He would always grumble about the food.
他总是抱怨食物。
•
The employees grumbled about the long working hours.
员工们抱怨工作时间太长。
名词
1.
抱怨, 牢骚
a complaint or protest made in a bad-tempered way
示例:
•
He made a low grumble about the cold weather.
他对寒冷的天气发出了低声的抱怨。
•
There were many grumbles from the crowd.
人群中有很多抱怨声。
在 Lingoland 学习这个单词