grumble

1. V-T/V-I If someone grumbles, they complain about something in a bad-tempered way. 抱怨

They grumble about how hard they have to work. 他们抱怨自己工作得很辛苦。

Taft grumbled that the law so favoured the criminal that trials seemed like a game of chance. 塔夫脱抱怨法律如此有利于罪犯，使得审判看来像是一场运气的游戏。

2. N-COUNT Grumble is also a noun. 抱怨

My only grumble is that there isn't a non-smoking section. 我惟一的抱怨是这儿没有无烟区。

3. V-I If something grumbles, it makes a low continuous sound. 隆隆作响[文学性]

It was quiet now, the thunder had grumbled away to the west. 现在安静了，雷声已经隆隆作响地传到西边了。

4. N-SING Grumble is also a noun. 隆隆响声[usu N 'of' n]

One could often hear, far to the east, the grumble of guns. 人们经常可以听到在远远的东边有隆隆的枪炮声。