1. Or the honest-but-framed cowboy, or the sheriff made suspect by vicious gossip;
    诚实却遭陷害的牛仔或因流言蜚语蒙受嫌疑的司法官。

2. A victim of vicious calumnies
    恶毒诬蔑的受害者.

3. I won´t listen to such vicious remarks.
    我不想听这种恶毒的话。