外国人说 a walk in the park 是什么意思？

　　a walk in the part

　　易事，轻而易举的事

　　释义：

　　something that is very easy to do, and usually pleasant 简单易做的事;做起来轻松愉快的事

　　例句：

　　He's used to hard physical work - this is a walk in the park to him.

　　I thought marriage was tough, but that's a walk in the park compared to golf.