prepare a rod for oneself

• 自讨苦吃

prepare a rod for oneself的用法和样例：

例句

1. You are asking for trouble if you challenge him.
   你向他挑战是自讨苦吃。
2. In my opinion, anyone who invests money in that new company is riding for a fall.
   依我之见，在那家新公司投资的任何人都是在自讨苦吃。