Dear Mr 先生：非常抱歉没有及时回复您的邮件，我不记得您在什么时

Dear Mr 先生：
非常抱歉没有及时回复您的邮件，我不记得您在什么时间发邮件给我，更不了解是需要关于哪个项目的信息，请您再对您的公司，以及您的项目情况进行说明，谢谢。

結果 (英文) 1:

Dear Mr:Very sorry not to reply to your message in a timely manner, I do not remember what time you send email to me, more understanding is needed about which project information you please for your company, and your description of the project, thank you.

結果 (英文) 3:

Mr. Mr Dear: I am very sorry not to reply to your mail, I do not remember what time you send mail to me, but it is not necessary for you to know which item of information, please you to your company, and your project description, thank you.