A friend might tell you that his new job was"a piece of cake.
西方飲食文化中,像蛋糕這樣的甜點是必不可少的，吃一塊蛋糕簡直太容易了。
因此,就有了“a piece of cake”這句俚語，形容事情很簡單。

Uncle: Have you passed TOEFL?
你通過托?？荚嚵藛?？
Rose: No, I haven't taken it yet. I think it is too hard for me.
沒有,我還沒有參加過。我來說太難了。
Uncle: You should have confidene. It is just a piece of cake for you
你應該有信心才對。托福對你來說直是小菜一碟。
Rose: Why do you say so?
為什么這么說?
Uncle: I have passed it, and your English is much better than mine
我都通過了,你的英語水平比我好多了。
Rose: OK, I'll try.
好吧,我試試。