你好,我现在有点事.回来的时候再回复你...这英文怎么说?

hello , I am engaged in a little bit now. When returning reply to you again

hey, i gotta go. talk to u later when i am back

Hello, this is xxx(your name). I can not answer your phone at this moment. Please leave your name and your phone number. I will call you back as soon as possible. Thank you and have a nice day.

hi,l get something to do now,so when l am back,l will restore you.bye bye!

excuse me,now i am busy with sth,and i'll answer you as far as i come back.