最规范的常用表达戚卜(书信、传真等）：
Wish you good luck!
熟悉后或非正式场合，答戚也可简单高举穗说：Good luck! Have a good luck!
bad luck !!!
The very best of luck with you.
The very best of luck to you!
The every best of luck with you.
The very best luck to you!
(The very/The) best of luck.
The best of luck.
Good Luky~~