你可以跑不过刘翔,但你必须跑过CPI 如何翻译

It may be impossible of you to run as fast as Liu Xiang does, but you've got to be faster than CPI.

Maybe you can not run as fast as LIU Xiang, but you must be faster than CPI.

you can not run as fast as LIU Xiang, but you must be faster than CPI.

驴唇不对马嘴..

呵呵！ 翻译成汉语还是英文还是？？？！