Before announcing the winner, the host paused and said, "Give me a drumroll, please!"

drumroll 是复合名词，由 drum（鼓）和 roll（滚动、连续的声音）组成，字面意思是"连续的鼓声"。在表演或宣布重要消息前，常用来制造悬念和烘托气氛。