医生诊断他是一名精神病患者，经常表现出暴力行为。

The doctor diagnosed him as a ___psychopath who frequently displayed violent behavior.

那个老板对待员工就像个冷血的精神变态，毫无同情心。

That boss treats his employees like a ___psychopath, showing no empathy at all.

那个角色被塑造成了一个典型的好莱坞精神病患者，表面上彬彬有礼但内心极度扭曲。

The character was portrayed as a typical Hollywood ___psychopath, outwardly polite but deeply disturbed inside.