I heard it at the butcher's.

我是在肉店听说这事的。

When were you at the butcher's?

你们什么时候在肉店里?。

Go to buy some meat at the butcher's, Tom.

汤姆，去肉店买点猪肉。

MRS. JOHNSON : Hello, Were you at the butcher's?

约翰逊夫人：哈罗，您刚才在肉店里吗?。