shape-shifter
noun /ˈʃeɪp ʃɪftə(r)/
  /ˈʃeɪp ʃɪftər/
- (in stories) a person or an animal that is able to change into other people, animals or things(传说中的)变形人,变形动物 - In the film he plays a shape-shifter, who takes the form of people’s worst fears.他在影片中扮演一个变形人,以别人最恐惧的形象出现。 
 
- In the film he plays a shape-shifter, who takes the form of people’s worst fears.