Translation of insinuación

The billing of additional working hours is not justified, since it was our request to download the software and wait for the new version. They have admitted the error of the translation.
I think I have told you that I won't charge you for this kind of help. I looked at the sentences and I found them a little too long. They were good, but I understand why it took you so long and I think the point is too keep the shorter.
I've lived a year with my wife in Argentina, and that is why my Ppanish is actually quite good, but that's not really enough... I wish you a beautiful day and a happy New Year.