flip-flopper
noun /ˈflɪp flɒpə(r)/
/ˈflɪp flɑːpər/
(informal, especially North American English)- a person, especially a politician, who suddenly changes his or her opinion or policy
出尔反尔的人（尤指政客） - He described his opponent as a flip-flopper.
他形容他的对手是个反复无常的人。 - Voters may not worry about consistency and may actually prefer a flip-flopper.
选民可能不担心一致性，实际上可能更喜欢摇摆不定的人。
- He described his opponent as a flip-flopper.