She was warned by the company for slandering her coworker with false rumors.

### 解释 slandering 是动词 slander 的现在分词形式。slander 指"诽谤、造谣中伤"，特指口头或临时性的诽谤行为（与书面诽谤libel相区别）。这个词来自古法语，原意是"丑闻、耻辱"。