unauthorized
adj. 未经授权的；未经批准的
近义词：unlawful，unconstitutional，illegal，unofficial，unsanctioned，unlicensed，unapproved，illicit，unauthorised，wildcat，authorized，
英英释义
Adjective
- not endowed with authority
- without official authorization;
"an unauthorized strike" "wildcat work stoppage"
例句
用作形容词(adj.)
- Ensure unauthorized personnel do not enter confined space.确保未经授权的人员进入有限空间。
- Firewalls prevent unauthorized access from a private network.防火墙防止来自专用网络未经授权的访问。
- This clause provides against any unauthorized absence from duty.这一条条文禁止任何未经批准的缺勤。