paranoid
adjective uk/ˈpær.ən.ɔɪd/ us/ˈper.ə.nɔɪd/
偏执的，多疑的
feeling extremely nervous and worried because you believe that other people do not like you or are trying to harm you
He started feeling paranoid and was convinced his boss was going to fire him. 他开始疑神疑鬼，确信老板要解雇他。
psychology specialized患多疑症的，患偏执狂的
suffering from a mental illness in which you believe that other people are trying to harm you
He was diagnosed as a paranoid schizophrenic. 他被诊断患有妄想型精神分裂症。
paranoid delusions 偏执型妄想症
Idiom
just because I'm paranoid doesn't mean they're not out to get meidiom humorous saying 我知道自己多疑，但危险并非不存在（表示你意识到自己通常过度担心受人伤害，但相信这一次别人真的有加害之心）
said when you recognize that you generally worry too much about people trying to harm you, but believe that in this particular situation people really are trying to harm you