英语博客-北美风情 73、Expression: Mum’s the word
时间：2019-01-28 作者：英语课 分类：英语博客-北美风情
英语课
图片1
If you want to tell someone to keep something a secret or promise to keep a secret for someone else you can use this expression: mum’s the word. At first it seems like a strange expression…mum is the word? Weird 1. But you will see it is not so complicated when we explain the possible origin of this expression and the meaning of mum.