You're in luck. The doctor's still in.

你运气不错，医生还在。

《柯林斯英汉双解大词典》

Well, hey there, neighbor — you're in luck!

好吧，看这儿，邻居——你撞头彩了！

youdao

You're in luck.

你真幸运。

youdao

If you answer yes, you're in luck, because you'll get the lowest airfares.

CNN: The skinny on finding airfare deals

Vice versa and you're in luck: no letter grade, no soda ban.

WSJ: New York City Soda Restrictions: Ounces of Outrage

Well, you're in luck, because the Playbar has arrived, packing all of Sonos' streaming capabilities you know and love in a soundbar form factor.

ENGADGET