1. 精神分裂症
Schizophrenia is a serious mental illness. People who suffer from it are unable to relate their thoughts and feelings to what is happening around them and often withdraw from society.

1. any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact

Synonym: schizophrenic disorderschizophrenic psychosisdementia praecox