分一杯羹
get a slice of the cake
(1) a slice/share of the cake字面意思“一块蛋糕”，表示“（钱、利益、好处等的）一份，一杯羹”
也可以说a slice/share/piece of the pie
(2) get a slice of the cake “分一杯羹”
例
Everyone expects to get a slice of the cake.
每个人都想分一杯羹。
I want a slice of grief pie!
人家也想分一杯羹嘛！《破产姐妹》
小菜一碟 a piece of cake
a piece of cake基本义“一块蛋糕”，引申义“很容易做到的事，小菜一碟”
英语解释为to be very easy。
例
Girls were a piece of cake. It was the boy.
女儿还不好对付，让我头疼的是儿子。
Believe me, with your dance background, it'll be a piece of cake.
相信我，以你的舞蹈背景，这是小菜一碟。
非常畅销
sell like hot cakes
sell like hot cakes “非常抢手，非常畅销”
英语解释为if things are selling like hot cakes, they are very popular and a lot of people are buying them very quickly。
例
Her latest record is selling like hot cakes.
她的最新唱片非常畅销。
The electrical goods are selling like hot cakes.
这种电子产品很抢手。
,
