cast dirt at

• 诬蔑；诽谤；中伤

cast dirt at的用法和样例：

例句

1. She often threw mud at her colleagues.
   她经常诽谤她的同事。
2. I don't permit to cast aspersions on my friend.
   我不许你诽谤我的朋友。
3. It is immoral to cast a slur on a person's reputation.
   中伤别人的名誉是不道德的。
4. Wanting to do him dirt, she sent his wife a poison-pen letter.
   她想要对他施诡计就写了一封恶意中伤的信给他的妻子。