lucky的比较级和最高级是什么

　　例句：

　　It was lucky for us that we were able to go.

　　我们能去是我们的运气好。

　　From the sound of things you were lucky to find him.

　　看起来你能找到他真是幸运。

　　You lucky sod!

　　你小子好福气呀！