Paranoia 是英文词汇，意为“偏执狂”或“妄想症”。它是一种心理状态，表现为极度不信任、怀疑和对他人的恐惧。患有偏执狂的人常常相信别人有意伤害或欺骗他们，即使没有证据支持这些信念。偏执狂可以是各种精神健康问题的症状，例如偏执人格障碍或精神分裂症。它可能会导致严重的困扰，并干扰日常功能。治疗偏执狂可能涉及心理治疗、药物治疗以及亲人的支持。

Paranoia is a mental state characterized by extreme distrust, suspicion, and fear of others. People experiencing paranoia often believe that others are out to harm or deceive them, even when there is no evidence to support these beliefs. Paranoia can be a symptom of various mental health conditions, such as paranoid personality disorder or schizophrenia. It can cause significant distress and interfere with daily functioning. Treatment for paranoia may involve therapy, medication, and support from loved ones.