be down on your luck to have no money because you have had a lot of bad luck over a long period of time〔因不走运而〕穷困潦倒:•When someone is down on their luck, friends are very difficult to find.一个人穷困潦倒的时候，很难找到朋友。be down on your ˈluck(informal)to have no money because of a period of badluck因一时不走运而没有钱；穷困潦倒 |