土豆饼的英文：
Potato Cake

A pancake,especially one made of grated potato.
土豆饼一种薄煎饼，尤其是指用磨碎了的土豆制成的

Those are potatoes cooked in their jackets.
那是带皮住的土豆。

Sweet potato was the staple of their diet.
过去甘薯是他们的主食。

May I have another potato?
我可以再吃一个土豆吗？

It's a political hot potato.
它是个棘手的政治问题。

The unemployment is a real hot potato.
失业真是件棘手的事。

A piece of cake
小事一桩

For dessert, we have fruit cake, cream cake and chestnut cake.
至于甜食，我们有水果蛋糕、奶油蛋糕和栗子蛋糕。

The knife easily cut into the cake.
刀一下子就切进了蛋糕。

The cakes were displayed in the window.
糕点陈列在橱窗中。

Dust sugar on to a cake.
将糖撒在糕点上。