Compromise view: The performance-enhancing drugs are in his past.

折中观点：提高成绩的药物是在他的过去。

youdao

One factor is the use of performance-enhancing drugs, or "doping".

其中一个因素是使用性能违禁药物，或“兴奋剂”。

youdao

On another subject he said he has never taken performance-enhancing drugs.

另一个问题，他说自己从未服用药物来提高成绩。

youdao

He opposed admitting players to the Hall of Fame if they had used performance-enhancing drugs.

VOA: special.2011.01.09

On another subject he said he has never taken performance-enhancing drugs.

VOA: special.2010.04.10

And his critics also said the games had become over-commercialized and riddled with performance-enhancing drugs during his leadership.

VOA: standard.2010.04.21

In June, USADA accused Mr. Armstrong and others of conspiring to cheat by using performance-enhancing drugs.

WSJ: Lance Armstrong Suit Against USADA Is Dismissed

Eight of the nine top lifters tested positive for performance-enhancing drugs, not steroids, as originally reported.

NEWYORKER: The Strongest Man in the World

He said he hadn't used steroids or other performance-enhancing drugs, contradicting allegations by his former trainer.

WSJ: Roger Clemens Up at Bat in Perjury Retrial