Translation of erschöpfen

I come from Turkey, but I live in Germany since 1995, I was in Chile, Canada, Thailand, Vietnam and Israel ... and I love traveling. I speak English, German and Turkish (mother tongue).
I've been working on and off on the dictionary during the entire week, and I'll spend some more hours on it this coming weekend. Sometimes he would get a bit mixed up and use formal Castilian sometimes instead of informal.
The weather is never really good this time of the year here. I have found a new girlfriend and guess what: she is Spanish. Yesterday we went out for the 4th time. Tomorrow I will see her again.