他散布关于同事的恶意流言。

He spread ___malicious gossip about his colleague.

学校对恶意嘲弄有严格规定。

The school has a strict policy against ___malicious teasing.

这名黑客被指控具有破坏计算机系统的恶意意图。

The hacker was charged with ___malicious intent to damage computer systems.