Frankly speaking, drawing is not a piece of cake to me.

说实话，学画画也不是件轻松的事。

youdao

It's known that a knowledge of many languages is not a piece of cake.

众所周知，通晓多门语言不是件容易的事。

youdao

With their elaborate sugar-spun details, these sweet treats are certainly not a piece of cake to make.

由于精心设计的细节，这些甜蜜的待遇为你带来的是一块蛋糕远远达不到的。

youdao

"People can eat a cupcake and not feel like they're eating a whole piece of cake.

VOA: special.2010.04.12

One reason is that even though comprehensive archiving is now much easier, it's still not exactly a piece of cake.

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No email, no party, no send-off, not even a darn piece of cake.

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