I can't right now, but maybe later.

这意味着将来可能行.




Unfortunately, I've had a few things come up.

这是指有意外的事情发生了.




I'm trying to focus on finishing off some other things.

这是另一种方式表示你有一些没有完成的工作.




Sorry but that isn't my strong suit.

这是另一种表达方式表示你并不擅长此道.




I'm sure you will do fine on your own.

这是告诉别人自己完成此事的一种非常礼貌的方式.





I'm afraid I'm committed to something else.

如果你另有计划可以这么说.




I can't at that time, but I'm happy to help you with somethingelse later.

这是一种非常礼貌的方式。你虽然拒绝了但是却提供对其他事的帮助.




I really don't enjoy that kind of activity.

我不喜欢做这事.




I'm sorry, but I have an emergency to attend to.

这是指你有些紧急的事必须要做.