吃苦头

• go through (bear) hardship
• play in hard luck
• play to hard luck

例句

1. 他在证券市场胡乱买卖而大吃苦头。
   He got his fingers badly burnt dabbling in the stock-market.
2. 要是你卷入这场争吵的话，你会吃苦头的。
   If you get involved in the controversy, you may burn your fingers.
3. 保罗，上，你可以打败他。让她吃吃苦头！
   Go on, Paul, you can beat him. Give him the works!