grumble
名词 grumble:
a loud low dull continuous noise
同义词:rumble, rumbling, grumbling
a complaint uttered in a low and indistinct tone
同义词:grumbling, murmur, murmuring, mutter, muttering
动词 grumble:
show one's unhappiness or critical attitude
make complaining remarks or noises under one's breath
同义词:murmur, mutter, croak, gnarl
to utter or emit low dull rumbling sounds
make a low noise
同义词:rumble