| 1. | A prior engagement will preclude them from coming .
他们因为有约在先，不能来了。 |
| 2. | Oh , i ' m afraid i can ' t . i ' ve had a date already
啊，恐怕不行。我已经有约在先了。 |
| 3. | A prior engagement will preclude me from coming
"我因有约在先,不能来了。 |
| 4. | I was unable to attend the meeting because of a prior engagement
我因有约在先，所以未能参加这个会。 |
| 5. | I shall have to refuse your invitation because of a prior engagement
我因有约在先,所以只好谢绝你的邀请 |
| 6. | I shall have to refuse your invitation because of a prior engagement
我因有约在先,所以只好谢绝你的邀请 |
| 7. | But i made a deal with mare
可是我与mare有约在先 |
| 8. | I fear that a prior engagement will prohibit me from joining you in dinner
有约在先，我恐怕不能与你共进晚餐。 |
| 9. | May i ask you for a dance
对不起，有约在先了。 |
| 10. | Sorry , i ' m engaged
对不起，我有约在先了。 |
