We maligned him dreadfully when you come to think of it. [VERB noun]

回头想想，我们狠狠地中伤了他。

Either the managers have been maligned or they are not telling the truth. [VERB noun]

要么是经理们受到了污蔑，要么就是他们在撒谎。

...the malign influence jealousy had on their lives.

妒忌给他们的生活造成的恶劣影响

Reliance on sponsorship can have a malign effect on theatre groups.

对赞助的依赖会给剧团带来不良的影响。