early 14c., from Old French oficial "law officer; bishop's representative" (12c.) and directly from Late Latin officialis "attendant to a magistrate, public official," noun use of officialis (adj.) "of or belonging to duty, service, or office" (see official (adj.)). Meaning "person in charge of some public work or duty" first recorded 1550s.
official (adj.)
late 14c., "performing a service; required by duty," from Old French oficial "official; main, principal" (14c., Modern French officiel) or directly from Late Latin officialis "of or belonging to duty, service, or office," from Latin officium (see office). Meaning "pertaining to an office or official position" is from c. 1600.
权威例句
1. You simply can't get a ticket through official channels.
通过官方渠道是压根儿搞不到票的.
2. The official number of people carrying the AIDS virus is low.
艾滋病病毒携带者的官方数字并不高。
3. There was never an official institution of censorship in Albania.
在阿尔巴尼亚从未设立过官方审查制度。
4. Official speeches in recent days have been larded with promises of democracy.
近日官方在讲话中满口对民主的承诺。
5. A senior White House official said the agreement is close.