Translation of wüst

Hans was not in the office for 4 days. I informed him that it is urgent and asked him to send it by tomorrow morning. I'll do my best that you receive it as early as possible. Trust me on that.
I almost forgot to tell you, that the water was brown, despite of its name... Anyway, as I was already close to my next destination I went and consulted with a tourguide of Austrian travelers.
To be honest, we did not understand one word of what he was saying, because his English was so terrible. Or maybe it wasn't and it was only his accent which we could not grasp. To us it was Chinese.