Translation of mediocre in German

The problem with that room however was, that it was situated right opposite of a construction site and the noise was unbearable. Once again we asked to move and got a new room, this time with no windows.
The bus driver drove so quickly and with extremely dangerous maneuvers. We were so afraid and the other passengers started to scream at the driver which did not help the situation at all.
Thank you for your answer, your English is better than my Spanish. I live in Liverpool in Great Britain, that is a town around 300 kilometers north of London. My wife and I have 4 children.