unauthorized
US /ʌnˈɑː.θə.raɪzd/
UK /ʌnˈɑː.θə.raɪzd/

形容词
1.
未经授权的, 非法的
not having official permission or approval
示例:
•
Unauthorized access to the system is strictly prohibited.
未经授权访问系统是严格禁止的。
•
The company took legal action against the unauthorized use of its logo.
该公司对未经授权使用其标志的行为采取了法律行动。
在 Lingoland 学习这个单词