a piece of cake

基本解释

Of course, you already know how to do that, so this is a piece of cake -- if you've forgotten, Listing 3 is a quick refresher.
当然，您已经知道如何去做了，所以这是轻而易举的事情 -- 如果您忘了如何去做，那么可以参看清单3作为复习。
The common misconception is that only cheats treat their partners with expensive gifts, so if you want to sweet talk your partner the best way to say it is with a piece of cake.
大家通常都有这样的误解，越是送贵的礼物越是有隐情。所以如果你想与自己的伴侣浓情蜜意的话，还是买些例如蛋糕这样的礼物吧。
If curing all human ills will be a piece of cake for a superhuman intelligence, then the singularity carries with it the promise of immortality - as long as you're still alive when it happens.
对于一个超人智能来说，如果治疗人类所有疾病都不过是小意思，那么与奇点一同到来的自然该有长生不老的承诺——只要它发生的时候你还在世。

"People can eat a cupcake and not feel like they're eating a whole piece of cake.
A friend might tell you that his new job was a "piece of cake."
Unless it is a "piece of cake."

They would bring me a piece of cake and solemnly watch me eat it.
NEWYORKER: Wakefield