Sorry, I already have a previous appointment.

对不起，我已经有一个先前的约会了。

youdao

He declined my invitation because of a previous appointment.

因另有约会在先，他谢绝了我的邀请。

youdao

The start date of your recurring appointment is a leap month date. This occurrence of the recurring appointment will fall on the previous month in a non leap year.

您的定期约会开始日期是闰月日期。在非闰年中，定期约会的这个事件将会发生在前一个月。

youdao

And on top of that, my previous appointment ended a little late.

另外，我之前的约会结束得稍晚了一些。

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