在英语中,"大灰狼"可以翻译为"Big Bad Wolf"。这个短语来自于一个著名的童话故事《三只小猪》(The Three Little Pigs),在这个故事中,大灰狼是一个贪婪的狼,试图吃掉三只小猪。

下面是一些使用"Big Bad Wolf"的英文例句及其中文翻译:

"The Big Bad Wolf blew down the first two pigs' houses, but he couldn't blow down the third pig's brick house."
(大灰狼吹倒了前两只小猪的房子,但他没能吹倒第三只小猪的砖房。)

"The Big Bad Wolf is the main antagonist in the story of the Three Little Pigs."
(大灰狼是《三只小猪》故事中的主要反派角色。)

"The Big Bad Wolf is often depicted as being greedy and cunning."
(大灰狼常常被描绘成贪婪和狡猾的。)

"People sometimes use the phrase 'the Big Bad Wolf' to refer to someone who is dishonest or untrustworthy."
(人们有时会用"the Big Bad Wolf"这个短语来指代不诚实或不可信的人。)