说没关系就行,有时别人没及时看到你的信息,就担误了,应给别人最大的包容,也让自己做了一件好事。
原谅我没有及时回复
forgive me for not replying you in time
有不会的可以再问我
I'm sorry for not replying you on time.
please forgive me that i haven't reply it in time。
please forgive me for having not replied on time