mass noun
1
- informal a drug taken illegally for recreational purposes, especially cannabis or (US) heroin〈非正式〉麻醉剂, 毒品（尤指大麻制品或〈美〉海洛因）。
1.1
- a drug given to a racehorse or greyhound to inhibit or enhance its performance（为约束或改善赛马、跑狗的表现而喂给的）兴奋剂; 抑制剂。
1.2
- a drug taken by an athlete to improve performance（运动员服用的）兴奋剂：
as modifier he failed a dope test.他没有通过兴奋剂检测。
2
- count noun informal a stupid person〈非正式〉傻瓜：
though he wasn't an intellectual giant, he was no dope either.
虽然他不是知识巨人, 但也不是傻瓜。
3
- informal information about a subject, especially if not generally known〈非正式〉（内幕）消息：
our reviewer will give you the dope on hot spots around the town.
我们的评论家会告诉你城市周围热点地区的内幕消息。
4
- a varnish applied to the fabric surface of model aircraft to strengthen them and keep them airtight（为加固和保持气密而在模型飞机纤维织物表面上涂的）清漆。
4.1
- a thick liquid used as a lubricant润滑脂。
4.2
- a substance added to petrol to increase its effectiveness汽油添加剂。
with obj.
1
- administer drugs to (a racehorse, greyhound, or athlete) in order to inhibit or enhance sporting performance给（赛马、跑狗或运动员）服用兴奋剂（或抑制剂）：
the horse was doped before the race.
那马在赛前服用了兴奋剂。
1.1
be doped up
informal be heavily under the influence of drugs, typically illegal ones〈非正式〉在毒品作用（影响）下：he was so doped up that he couldn't remember a thing.
他在毒品作用下什么也记不起来了。
1.2
- treat (food or drink) with drugs在（食品或饮料）中掺麻醉剂：
maybe they had doped her Perrier.
他们也许在她的毕雷矿泉水中下了药。
1.3
- no obj. informal, dated regularly take illegal drugs〈非正式, 旧〉吸毒。
2
- smear or cover with varnish or other thick liquid用清漆（或其他涂料）涂抹（或覆盖）：
she doped the surface with photographic emulsion.
她在表面上涂了感光乳剂。
3
- Electronics add an impurity to (a semiconductor) to produce a desired electrical characteristic【电子】给（半导体）掺杂。
- black slang very good〈黑人俚语〉很棒：
that suit is dope!
那套衣服棒极了！
派生词
doper
noun词源
early 19th cent. （in the sense 'thick liquid'）： from Dutch doop 'sauce'， from doopen 'to dip， mix'.
短语动词
dope something out
- informal, dated work out something〈非正式, 旧〉想出; 制订出：
they met to dope out plans for covering the event.
他们聚在一起制订掩盖事件真相的计划。