新闻报道说工厂排放的废水污染了附近的井水。

The news reported that factory waste ___tainted the nearby well water.

这次食品安全丑闻严重损害了该公司的声誉。

The food safety scandal seriously ___tainted the company's reputation.

谣言玷污了他的声誉。

The rumors ___tainted his reputation.