piece of cake
US /piːs əv keɪk/
UK /piːs əv keɪk/
成语
小菜一碟, 非常简单
something that is very easy to do
示例:
•
The exam was a piece of cake.
考试非常简单。
•
Learning to ride a bike was a piece of cake for him.
学骑自行车对他来说是小菜一碟。