Question

帮忙翻译成英文，在线等，谢谢！

我通过北京的邮政部门查询这个邮件1月29日已经退回美国，请您到当地邮局查询一下。

Answer 1

I have learnt with the help of the post office in Beijing that the mail has been returned to the USA. Please ask about it at your local post office

Answer 2

I've checked the mail by post administration in Beijing, and it has been returned to the U.S.. Please go and check it out at local post office.