“使纷纷落下”可以翻译为“cause to fall in abundance” 或者 “make ... fall in droves” ,具体使用可根据语境灵活调整。例如:
* The strong wind caused the leaves to fall in abundance.(大风使树叶纷纷落下。)
* The sudden impact made the petals fall in droves.(突然的撞击让花瓣纷纷落下 。)