v.抱怨( grumble的第三人称单数 );发牢骚;咕哝;发哼声;
例句:
Take your grumbles to the boss, not to me.
你的怨言去对老板说, 不要对我说.
In private, the grumbles are more pointed.
私下的牢骚就更直率了.
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.