grumble
['grʌmbl]
v.发牢骚, 抱怨, 轰鸣
n.怨言, 牢骚, 轰隆声
例句与用法：
He has everything he needs, but he is still full of grumbles.
他需要的一切都得到了，却还牢骚满腹。
They will grumble about having to do the work.
他们将为不得不干那项工作而抱怨。
词形变化：
形容词: grumbly | 副词: grumblingly | 名词: grumbler | 动词过去式: grumbled | 动词过去分词: grumbled | 动词现在分词: grumbling | 动词第三人称单数: grumbles |
详细释义：
vi.
1. 抱怨, 发牢骚[(+at/about/over)]
But there is no use in grumbling.
可抱怨有什么用呢。
2. 咕哝; 发哼声; 发轰隆声
vt.
埋怨; 对……表示不满[(+out)]
He grumbled out his reasons for refusing the command.
他生气地说出拒绝执行该项命令的理由。
n.
1. 怨言, 牢骚[C]
She is full of grumbles.
她牢骚满腹。
2. 轰隆声[the S]