The accounting scandal left a lasting stain on the firm's reputation with investors.

這起會計醜聞在投資人心中為公司的聲譽留下了長久的污點。

One late shipment should not be a stain on our otherwise excellent delivery record.

一次延遲出貨不該成為我們原本優異配送紀錄上的污點。

The rude reply to a customer became a stain on the hotel's service history.

對顧客的無禮回覆成了這家飯店服務紀錄上的一個污點。