unauthorized
adj
ʌnˈɔːθəraɪzd
adj
1
without
official
approval
or
permission
未经授权 （批准 ）的
the
unauthorized
use
of
government
funds
对政府资金的擅自动用
Unauthorized
personnel
are
not
allowed
on
the
premises.
未经允许不得入内。