Do you have proof?

有什么为证据。

youdao

Don't accuse Sheila of theft until you have proof.

除非你能提出证据，否则不要随便指控席拉是小偷。

youdao

You have written proof of the efficacy of not just your program, but also your implementation of it, for the regulators.

FORBES: Risk Assessments: The Most Important Effort You're Doing All Wrong

You may have proof rock is dead.

FORBES: Don't Believe The Billboard Charts -- Rock Isn't Dead

And when we have this open call on Saturday you will have to provide proof of your age - either through a passport or birth certificate.

BBC: Last Updated: Wednesday January 11 2006 09:25 GMT