1、I am very sorry that a previous engagement prevents me from accepting your kind invitation.
很抱歉，因為我已另有約會不能接受你好意的邀請。

2、Our manager has a previous engagement at 4 'clock this afternoon.
我們經(jīng)理在今天下午四點已經(jīng)有預(yù)約了。

3、A previous engagement prevents me from accepting your kind invitation.
我因事前有了約會，不能接受您的盛情邀請。

4、We have a previous engagement that day.
我們那天有約了。

5、I regret that a previous engagement prevent me from accepting your kind invitation.
我很遺憾之前的約會使我不能接受你善意的邀請。

6、I regret to say I have a previous engagement that evening. However, thank you FOR thinking of me.
很遺憾，那天晚上我另有約會。不過，我還是感謝您想到了我。

7、I have a previous engagement at 6: 30
6點半我先已有約。

8、I have a previous engagement at 6: 30.
6點半我先已有約。

previous engagement翻譯