1.It's your lucky day.你真走运。

2.That's fortunate.真有好运气。

3.You got lucky.谢天谢地。

4.What luck!太走运了！

5.I was just lucky.只是运气好。

6.I lucked out today.今天的运气真好。

7.Today's my lucky day.今天是我的幸运日。

8.I'm in luck today.今天的运气真好。