The CEO warned that leaked emails could sully the company's reputation with key investors.

執行長警告，外洩的電子郵件可能會玷污公司在主要投資人心中的名聲。

A rival firm tried to sully our brand by posting fake customer reviews online.

一家競爭對手企圖在網路上張貼假的顧客評論來詆毀我們的品牌。

The candidate felt that false rumors had sullied his name during the hiring process.

這名應徵者覺得不實的謠言在招聘過程中玷污了他的名聲。