A drug in liquid form added to a drink to cause unconsciousness.
麻醉药水，蒙汗药水（放入饮料中使人失去知觉的一种液体）
Example sentencesExamples
The young ingenue played by Béatrice Romand administers ‘knockout drops’ to a group of high-ranking Nazi officers who frequent the brothel where she works.
Definition of knockout drops in US English:
knockout drops
plural noun
A drug in liquid form added to a drink to cause unconsciousness.
麻醉药水，蒙汗药水（放入饮料中使人失去知觉的一种液体）
Example sentencesExamples
The young ingenue played by Béatrice Romand administers ‘knockout drops’ to a group of high-ranking Nazi officers who frequent the brothel where she works.