Grumbling
a. 出怨言的；喃喃鸣不平的
✅ 同义词
🔴 反义词
🗣️ 情景例句
Particularly in the construction field.
特别是在建筑业。
I was not aware that I was in danger.
我不知道自己处于危险中。
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。