unauthorized
🇺🇸
/ʌnˈɔːθəraɪzd/
🇬🇧
/ʌnˈɔːθəraɪzd/
adjective
R
not allowed or approved by someone in charge
The guard stopped the unauthorized person from entering the building.
警衛阻止了未授權的人進入大樓。
translation
未經授權