aspersions

n.诽谤；中伤

I don't permit to cast aspersions on my friend. 我不许你诽谤我的朋友。

Intolerant people will always case aspersions on people who are different from them. 偏执之人会经常诽谤与他们迥然不同的人。

None of this, by the way, is to cast aspersions on the international game or foreign leagues. 当然，我这么说不是诽谤或者中伤国际比赛或者国外的联盟。