您要查找的是不是：
- Sorry. I have a previous engagement. 对不起，我已经有约了。
- He cannot go for he has a previous engagement. 他不能去，因他已先有约会。
- I have a previous engagement at 6:30. 6点半我已有约。
- We have a previous engagement that day. 我们那天有约了。
- I have a previous engagement at 6: 30. 6点半我先已有约。
- Sorry, I have previous engagement. 抱歉，我已经有了约会。
- I am very sorry that a previous engagement prevents me from accepting your kind invitation. 我很抱歉，因为已另有约会不能接受你的盛情邀请。
- I am unable to attend because of a previous engagement. 我因有约在先故不能出席。
- I was unable to attend because of a previous engagement. 我因有约在先，无法出席。
- Owing to a previous engagement, I shan't be able to come. 因事先另有约会, 我无法前来。
- That's extremely kind of you, but I have go a previous engagement. 谢谢您的感情,但我已有约在先。
- I can't see you on Monday because I have a previous engagement. 星期一我不能见你, 因为我有约在先。
- Since you have a previous engagement, why didn't you say so? 既然有事，何不早说?
- What a pity! We have a previous engagement that day. How I wish I could come. 太可惜了，我们那到有约了，真希望我们能够去。
- It's very kind of you to invite me, but I've got a previous engagement. 谢谢你的盛情邀请,但我已早有约会。
- I regret that a previous engagement prevent me from accepting your kind invitation. 我很遗憾之前的约会使我不能接受你善意的邀请。
- I regret to say (that) I have a previous engagement that evening. However thank you for thinking of me. 很遗憾，那天我必须主持一个开幕式。不过我非常感谢您邀请了我。
- I / We regret that I / We can't make it because of a previous engagement / full schedule / business trip at that time. 由于我们届时已有约会/全部活动已排满/需要出差，故不能出席此次晚餐/午餐，实为抱歉。
- I regret to say that I had a previous engagement that evening. However thank you for thinking of me. 很遗憾，那天我必须主持一个开幕式。不过我非常感谢您邀请了我。
- I regret to say(that) I have a previous engagement that evening.However,thank you for thinking of me. 很遗憾，那天晚上我另有约会。不过，我还是感谢您想到了我。
