英汉解释

轻而易举的事情；轻松愉快的事

同义词

n. breeze，duck soup，picnic，pushover

参考例句

1. Your work is a piece of cake!
你的工作是一片蛋糕！还是很简单？
2. Student: Yes. I ate a piece of cake yesterday.
学生：行，我昨天吃个一块蛋糕。
3. He is doing this job effortlessly and it seems to be a piece of cake.
他正在毫不费力的做他的工作好象这项工作对他来讲是小事一桩。

英英解释

n.
  1. any undertaking that is easy to do

网络释义

piece of cake
非常容易的事; 小菜一碟; 小事一桩。; 一块蛋糕;
a piece of cake
一块蛋糕（小菜一碟，易事一件）; 一块蛋糕; 轻松的事; 小菜一碟;
a piece of cake
轻易而举; 小蛋糕——轻易而举;
T piece of cake
吉他摇滚;
a small piece of cake
易入反掌，小菜一碟;