vi. 不及物动词抱怨；发牢骚；嘟囔；（雷等）隆隆响
vt. 及物动词喃喃地说出
n. 名词抱怨；牢骚；咕哝；（雷等的）隆隆声
The old man would often grumble about the noisy kids.
那位老人经常抱怨那些吵闹的孩子。
She tends to grumble when things don't go her way.
当事情不顺她意时，她往往会抱怨。
He heard his stomach grumble as lunchtime approached.
午餐时间临近时，他听到肚子咕噜作响。
They grumble about the weather every single morning.
他们每天早上都抱怨天气。
Despite his success, he would still grumble about work.
尽管成功了，他仍然抱怨工作。
The customers began to grumble about the slow service.
顾客们开始抱怨服务太慢。
She could hear him grumble under his breath.
她能听到他在小声抱怨。
The students often grumble about the amount of homework.
学生们经常抱怨作业太多。
He would grumble whenever he had to wake up early.
每当他必须早起时，他就会抱怨。
Her friends would grumble about the high prices at the cafe.
她的朋友们会抱怨咖啡馆的高价。
grumble about work 抱怨工作
grumble in protest 抗议地抱怨
grumble to oneself 自言自语地抱怨
grumble over dinner 吃饭时抱怨
grumble at the weather 抱怨天气
grumble under one's breath 小声抱怨
grumble incessantly 不停地抱怨
第三人称单数: grumbles;
过去式: grumbled;
过去分词: grumbled;
现在分词: grumbling;
名词: grumbler;
