So the king told his assistant to go and get the man, give the man his wish.

国王指示助手，去实现他的愿望。

哈佛公开课 - 幸福课课程节选

And when he says that, his workers pull off the tarp and sparks fly from the chandelier.

当他说这些话的时候，助手就把油布掀开了，然后就看到吊灯那里有火星飞出来。

歌剧魅影 - SpeakingMax英语口语达人

He invited a confederate, a graduate student who was working with him in his lab-- Psychologists--Social psychologists always call people " who are in the employ of the experimenter "confederates."

他邀请了一个助手,和他一起在实验室工作的研究生-,心理学家-社会心理学家总是称,在实验室任职的研究生“助手“

耶鲁公开课 - 心理学导论课程节选