beef用英语怎么说？

你好！

beef 英[bi:f] 美[bif]

n. 牛肉; 菜牛（饲养以供肉食的牛）; 体力; 怨言，牢骚;

vi. 抱怨，大发牢骚;

[例句]Instead of beefing about what Mrs Martin has not done, her critics might take a look at what she is trying to do.

批评者不要老是抱怨马丁太太没有做什么事情，不妨看看她正要做什么事情。