“用光”的英语可以翻译为：finish up，spend the pack ...

才投产3天凑集的钱就用光了。Three days into production, the kitty had run dry.几辆吉普车上的弹药已经用光了.A few of the jeeps had run out of ammunition.他继续挥霍无度,直到把钱用光为止.He went on spending lavishly until his money was at the end....