without official permission 未经许可（或批准）的 No access for unauthorized personnel. 未经允许不得入内。 🔊🔊 unauthorized use of public funds 未经授权使用公共资金 an unauthorized biography (= written without the subject’s permission or help) 外传
Extra ExamplesFailure to complete the form will result in absences being regarded as unauthorized. 不填这张表格的后果是被视为擅自缺席。 There was a ban on all unauthorized marches. 禁止所有未经授权的游行。 They violated international law by making unauthorized broadcasts to the mainland. 他们未经许可擅自向内地广播，违反了国际法。
Oxford Collocations DictionaryUnauthorized is used with these nouns:- absence
- access
- biography
- …