Translation of freizügig in German-English

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.
Therefore we use only the Vocabulix dictionary in our class. It has good features and a large vocabulary base. I will have to send you a few sentences for rewriting if that is OK with you, because the whole is mixed up.
I play the flute, but in recent years, I had no time. My granddaughter will give birth in 2 weeks and I will be great-grandmother. But I am only 70 years old. I hope that does not scare you.