a piece of cake同义词,还有came across

a piece of cake同义词,还有came across a piece of cake Just a piece of cake! It's a piece of cake a piece of cake啥意思 a piece of cake=easy吗? a piece of cake就是小菜一碟? Speaking English is a piece of cake. A piece of cake.美国俚语意思 A piece of cake意思是? Have a piece of cake,please.翻译 类似six and seven乱七八糟\a piece of cake小菜一碟,这样的短语还有哪些啊?