the activity of testing a person's blood or urine to see if they have taken illegal drugs, or drugs that could illegally improve their performance in a sport

Prisoners at the jail are subject to mandatory drug testing. 监狱里的囚犯必须接受强制性的药物测试。

The committee is taking a tougher stance with athletes who try to dodge drug testing. 委员会对试图逃避药物测试的运动员采取了更强硬的立场。