Friend this letter is a long time over due. Hope you get it.

伙计，这封信早就写了，希望你能收得到。

Be careful not to over due it, because you want to make sure you have enough energy for the rest of the work day.

但是，注意别运动过头，因为你必须留足够的精力处理下午的工作呢。

The postponement was due to a dispute over where the talks should be held.

延期是因为在会议地点上有争议。

In the document, it says that all goods shall be shipped over before the due day.

文件中说所有货物必须在规定期限前用船送出。