一、clean up 打扫; 赚钱; 整顿; 痛打

例句：

1. We should clean up the past-due bills.

我们应该清理逾期票据。

2. She is cleaning up the kitchen now.

她现在正在打扫厨房。

3. He cleaned up in the stock market last year.

去年他在股票市场大捞一笔。

二、weed out清除；淘汰；除去

例句：

The government must weed out criminal elements from within the security forces.

政府必须剔除保安队伍内部的犯罪分子