in BRIT, also use 英国英语亦用unauthorised
- ADJ 未经授权的;未经许可的
If something is unauthorized, it has been produced or is happening without official permission.
- ...a new unauthorized biography of the Russian President.
一本新的未经授权的俄罗斯总统传记 - ...the unauthorized use of a military vehicle...
未经许可使用军车 - It has also been made quite clear that the trip was unauthorised.
此行并未得到授权,这一点也已经说得相当明白了。