“It's a piece of cake”可以造什么句，It's a piece of cake造句

This is fun. It's a piece of cake.

It's nothing to shout about. It's a piece of cake for you.

It's a piece of cake.小菜一碟

You know everything about other people's family. It's a piece of cake!

Brian: Look at your competition. It's a piece of cake.