He's taking a dangerous drug: it acts very fast on the central nervous system.

他在使用一种危险的药物——这种药物很快作用于中枢神经系统。

《柯林斯英汉双解大词典》

Alcohol is a dangerous drug, but I'd rather live in a world with wine than one without.

酒精是一味危险的药物，但我宁愿生活的世界里有酒。

youdao

He knew he was dealing with a very dangerous drug. Yet he administered it in Jackson's house without the proper medical equipment.

可是在没有合适的医疗设备的情况下，他却仍然将药物放任在杰克逊家中。

youdao

But the medicine in Bangladesh was produced by a local drug manufacturer that used a dangerous substitute to save money.

VOA: special.2010.02.22

He says the tuberculosis epidemic is far from over and is being aggravated by multi-drug resistant TB and its even more dangerous form, extensively drug-resistant TB.

VOA: standard.2009.12.09

Instead of modeling his analyses on fen-phen, Krensavage points to a different dangerous drug: nicotine.

FORBES: Forget Vioxx?

It was expected to be a big seller but was found to have dangerous drug interactions.

FORBES: Back From the Morgue

There's the usual assortment of bad language, sex, nudity, and, of course, a smorgasbord of super-dangerous drug use.

CNN: Review: Too much junkie business in 'Permanent Midnight'