1. Have a ball 寻乐子，痛快地玩

Let's hit the bar, have a ball tonight!
今晚咱们到酒吧玩个痛快吧！

释义：

ball: 跳舞，寻欢作乐

2. Have money to burn 有的是钱，胡乱花钱，挥霍

If he can afford such a huge sum of money for a new coat, he must have money to burn.
既然他能花这么一大笔钱买新外套，想必是钱太多了。

释义：直译是有足够的钱拿去烧，比喻钱多，花钱如烧纸，现亦说烧钱。