unofficially
US /ˌʌn.əˈfɪʃ.əl.i/
UK /ˌʌn.əˈfɪʃ.əl.i/
1.
非正式地
without official authorization or approval; not formally acknowledged.
:
•
He was unofficially appointed to the position.
他被非正式地任命到这个职位。
•
The news spread unofficially through the office.
这个消息在办公室里非正式地传开了。