I apologize for coming over unannounced like this.
未经通报擅自闯入,本人抱歉之至。
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吃晚饭,我只能吃些家常便饭
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