Otherwise, your question sounds like, "I'd fail a drug test," so don't ask.

否则，你的问题听起来就好像“我通不过药物测试。”所以不要问这个问题。

youdao

People who fail the test become ineligible for welfare for a year, though this is dropped to six months if they prove that they have successfully completed drug treatment (which they must pay for).

未通过检测的人一年内不能享受任何福利待遇，如果他们能够证明自己已经成功戒掉毒瘾（接受戒毒治疗需付费）的话，这一期限将缩减为六个月。

youdao

So far, the only American to fail a drug test is judo fighter Nicholas Delpopolo, who was expelled from the Olympics Monday.

WSJ: Menu

In any case, Armstrong isn't likely to fail a drug test now.

WSJ: Triathlons Part Waters for Lance Armstrong

Usually, this is because they miss an appointment with their parole officer, fail a drug test or do something else that is stupid but trivial.

ECONOMIST: Imprisonment in California