grumbling
🇺🇸
/ˈɡrʌmblɪŋ/
🇬🇧
/ˈɡrʌmblɪŋ/
complaining or expressing dissatisfaction in a low continuous sound or inarticulate way
There was a lot of grumbling in the office about the new work schedule.
办公室里对新工作时间表有很多抱怨。
a low continuous sound like a grumble
The grumbling of the thunderstorm made everyone nervous.
雷声的轰鸣让每个人都感到紧张。