I apologize for coming over unannounced like this.
未经通报擅自闯入，本人抱歉之至。
Having arrived unannounced for supper, we had to take potluck.
由于没有提前通知我们要来吃晚饭，我们只能吃些家常便饭
He showed up unannounced at her doorstep.
他没有事先通知就出现在她的门口。
She made an unannounced visit to her friend's house.
她突然造访了她朋友的家。
The boss made an unannounced inspection of the office.
老板突然来检查办公室。
The celebrity arrived unannounced at the event.
这位名人未经通知就出现在活动现场。
I received an unannounced phone call from an old friend.
我收到一通老朋友的突然电话。
I apologize for coming over unannounced like this.
未经通报擅自闯入，本人抱歉之至。
Having arrived unannounced for supper, we had to take potluck.
由于没有提前通知我们要来吃晚饭，我们只能吃些家常便饭
He showed up unannounced at her doorstep.
他没有事先通知就出现在她的门口。
She made an unannounced visit to her friend's house.
她突然造访了她朋友的家。
The boss made an unannounced inspection of the office.
老板突然来检查办公室。
The celebrity arrived unannounced at the event.
这位名人未经通知就出现在活动现场。
I received an unannounced phone call from an old friend.
我收到一通老朋友的突然电话。
探索常用高频词汇