Translation of rätselhaft

I hope you could understand my last letter to you. You see, when I write in Spanish I am not very confident. I always question myself and each and every sentence takes about fifteen minutes.
I interpret this as follows: It reflects the calm life without any hectic atmosphere. The life that these two are looking for (like they did before) is far away: Far away, beyond the river.
I rarely heard someone speaking so bad about his nation, but again, it wasn't my business. We closed the lights at midnight and hoped for a few hours of sleep. The train shaked and threw us around in our beds.