“恶意的”用英语怎么说？

关于这件事正有一则恶意的谣言在流传。There's a nasty sort of rumour going around about it.这仅是无恶意的愚蠢行为。It was just a piece of harmless frivolity.这家报纸对总统发起了一场恶意的攻击。The newspaper launched a vitriolic attack on the president....