dirty or no longer pure; no longer pleasant or safe to eat, drink or use 污染: 肮脏或不再纯净;不再能愉快或安全地吃,喝或使用tainted drinking water 受污染的饮用水
suffering from no longer being well thought of by other people 污点: 不再受到别人的好感the company's tainted reputation 该公司名誉受损