body dysmorphic disorder
noun [ U ] medical specialized uk/ˌbɒdi dɪsˈmɔː.fɪk dɪˌsɔːd.ər/ us/ˈbɑːd.i dɪsˈmɔːr.fɪk dɪˌsɔːr.dɚ/ (abbreviation BDD)
身体变形性精神障碍
a mental illness in which a person spends a lot of time worrying about how they look and wrongly believes there are problems with their appearance