unofficially

US /ˌʌn.əˈfɪʃ.əl.i/
UK /ˌʌn.əˈfɪʃ.əl.i/
"unofficially" picture
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這個職位。
The news spread unofficially through the office.
這個消息在辦公室裡非正式地傳開了。