When you fail a test, it's better to tell your mom the truth rather than find out another way.

考试不及格时，你最好告诉你妈妈真相，而不是动其他心思。

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Do you ever worry that you'll fail a test?

你曾经担心过考试不及格吗？

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Do you ever worry that you '11 fail a test?

你担心考试会不及格吗？

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In Russia 'to get a banana' means 'to fail a test somewhere'.

BBC: Fifa & Uefa powerless to act on racist Russian flag

JOHANNESBURG The supplement found in Olympic runner and murder suspect Oscar Pistorius's house last month is a derivative of bull's testicles that can potentially raise testosterone levels enough to make an athlete fail a drug test, said a South African antidoping agency.

WSJ: Testosterone Booster Was in Pistorius's Home

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

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