grumble /ˈɡrʌmbəl/ star1 CET6+ TEM4 (grumbling,grumbled,grumbles)

• 1.  

  V-T/V-I（及物动词/不及物动词） If someone grumbles, they complain about something in a bad-tempered way. 抱怨

  例：

  They grumble about how hard they have to work.

  他们抱怨自己工作得很辛苦。

• 2.  

  N-COUNT（可数名词） Grumble is also a noun. 抱怨

  例：

  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（不及物动词） If something grumbles, it makes a low continuous sound. 隆隆作响 [文学性]

  例：

  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（单数型名词） Grumble is also a noun. 隆隆响声 [usu N 'of' n]

  例：

  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。