mistakenly
US /mɪˈsteɪ.kən.li/
UK /mɪˈsteɪ.kən.li/

1.
错误地, 不正确地
in a way that is based on a wrong belief or is not correct
:
•
I mistakenly thought the meeting was tomorrow.
我错误地以为会议是明天。
•
He mistakenly picked up the wrong bag at the airport.
他错误地在机场拿错了包。