釋義：

An activity that requires little effort to finish; a job that's simple; easy.

一項(xiàng)需要很小精力去完成的活動(dòng)，或者一份簡(jiǎn)單的工作；

When a task is easier to complete than previously expected, people will

sometimes use this phrase to express those sentiments.當(dāng)一項(xiàng)任務(wù)比預(yù)期的更加簡(jiǎn)單時(shí)候，人們就會(huì)用 a piece of cake去形容；

The question is: Why? What makes cake "easy? Well, I doubt it's referring to the cooking process involved with baking a cake, because that requires a fair bit of work. 笨懷疑easy指的應(yīng)該是烤面包的過程，但是這個(gè)過程也需要不小的精力。You have to crack eggs, mix stuff up in a bowl, set the temperature of the oven, and so on. 因?yàn)槟阈枰ゴ螂u蛋，和面，設(shè)定溫度等等。Alright, it's not that complicated, but it still requires effort.盡管不是很復(fù)雜，但依然很耗時(shí)，不是么。

Do you know what is easy though? Eating a baked cake! that's a pretty easy thing to do because it tastes good. 那什么才是簡(jiǎn)單的呢，當(dāng)然是吃面包啦。Thus, this phrase may possibly get its "easy to accomplish" meaning from how simple it can be to eat a piece of this delicious desert. 所以這個(gè)俚語的來源很有可能指的就是品嘗一塊甜點(diǎn)是很簡(jiǎn)單的事情。However, that is simply a guess; the origins for this phrase are not certain.當(dāng)然啦，這只是最合理的一個(gè)猜想，真正的來源還沒有被證實(shí)。

舉例：

1.英語很簡(jiǎn)單：English is just a piece of cake!英語不過是小菜一碟！

2.王小二遇到了一個(gè)很漂亮的女生，想約出去但是又不知道如何下手，于是非常苦惱。這個(gè)時(shí)候周圍的小伙伴們說：

That's a piece of cake, just tell her you have been expecting to dine with her.

那不太容易了，直接告訴她你一直想和她一起吃飯。

3.期末考試就要到了，王二小從來沒去上過課，但是超級(jí)自信的他說：

The approaching exam will be a piece of cake.

他們知道，即將到來的考試將會(huì)是小事一樁。