impostor
🇺🇸
/ɪmˈpɑːstər/
🇬🇧
/ɪmˈpɒstə(r)/
Someone who pretends to be another person to deceive others.
The detective discovered that the man was an impostor, pretending to be a doctor to gain access to the hospital.
偵探發現那個男人是個冒名頂替者,假裝成醫生以獲得進入醫院的機會。