抱怨, 低聲抱怨
to make a low, rumbling sound, often indicating displeasure or a warning, similar to an animal's growl but made by a person
:
• He let out a low growl of frustration.
他發出一聲低沉的咆哮,表示沮喪。
• The old man would often growl about the noisy children.
老人經常對吵鬧的孩子們抱怨。