The Idiom, It's a Piece of Cake

A piece of cake when you say, oh, it's a piece of cake. It means it's very easy. So if somebody tells you that the B2 first exam is a piece of cakes, maybe you should take that with a pinch of salt. A similar idiom for Spanish speakers is pan-kormido: It's a pieces of cake. You have to be critical and careful how you accept that information.