obsessive compulsive disorder
noun/əbˌsesɪv kəmˈpʌlsɪv dɪsɔːdə(r)/
/əbˌsesɪv kəmˈpʌlsɪv dɪsɔːrdər/
(abbreviation OCD)
[uncountable]- a mental illness in which somebody feels they have to repeat certain actions or activities to get rid of fears or unpleasant thoughts
一种精神疾病，患者感觉必须重复某些行为或活动才能摆脱恐惧或不愉快的想法