如果是重新打开同一个账户：
First of all,I regret that I didn't read about the guidence carefully,and led to such a mistake.I am really sorry,and I promise that I will never repeat it again.And would you please help me reopen the account?Thank you very much!
如果是另外开一个账户,应该说：
First of all,I regret that I didn't read about the guidence carefully,and led to such a mistake.I am really sorry,and I promise that I will never repeat it again.And would you please help me open another account?Thank you very much!