grumbling例句
Although he was only
grumbling, his choice of words made Rodney angry.
尽管他只是在咕哝，可是他的措词却让罗德妮恼火。
The dogs made a noise, a rough,
grumbling sound.
这些狗发出刺耳的低吼声。
She's always
grumbling to me about how badly she's treated at work.
她总是向我抱怨她在工作中如何受亏待。