kleptomaniac       
noun [ C ] uk/ˌklep.təˈmeɪ.ni.æk/ us/ˌklep.toʊˈmeɪ.ni.æk/
 有窃盗癖者
someone with a very strong wish to steal that they cannot control, usually considered to be a type of mental illness
  I knew she was a kleptomaniac of extraordinary skill. 我知道她是一个技术高超的窃盗癖者。 
 He has severe kleptomaniac tendencies. 他有严重的窃盗癖倾向。 
 See: kleptomania
 - More examples
- She is secretly a kleptomaniac who keeps shoplifting.
- I heard stories that he was a kleptomaniac.
- Therapy alone was not effective in reducing kleptomaniac symptoms.