psychiatric       
adjective uk/ˌsaɪ.kiˈæt.rɪk/ us/ˌsaɪ.kiˈæt.rɪk/
 精神病(学)的
of or relating to the study of mental illness
  psychiatric treatment 精神病治疗 
 a psychiatric patient 精神病人 
 the hospital's psychiatric unit 医院的精神病科 
 - More examples
 - The psychiatric team decided that committal would not be beneficial in her case.
 - He worked as a nurse in a psychiatric hospital.
 - The psychiatric section is segregated from the rest of the prison.
 - He has been transferred to a psychiatric hospital.
 - This is an interesting psychiatric case study of a child with extreme behavioural difficulties.