To abuse one's power and lord it over others; to presume to exercise authority and arbitrarily bestow favors or inflict punishment.
小王虽然只是个部门经理，却总是对下属指手画脚，擅作威福，让人很不满。
Although Xiao Wang is just a department manager, he always dictates to his subordinates and lords it over them, which makes people very dissatisfied.
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