Meaning: Very easy to do.

Examples:

The test was a piece of cake. I finished half an hour early.

His job was difficult at first, but now it’s a piece of cake.

She’s very good with languages, so learning French was a piece of cake for her.

Pop Quiz:

You’re in very good shape. Which one is probably a piece of cake for you?

A.  Baking a cake.

B.  Running one mile.

C.  Learning Chinese.

To see the correct answer, click on “Continue reading”:

The correct answer is B. If you’re in very good shape, running one mile should be very easy for you – in other words, a piece of cake. For most people, baking a cake and learning Chinese are quite difficult – not pieces of cake at all!