Translation of subtle in German

I started to speak Spanish because i had i boyfriend from Mexico. Especially I've never learned Spanish . I only listened and repeated what he spoke. Now i speak Spanish well but i need to learn grammar rules.
Tam Coc was a place where the river ran through different limestone mountains. The view was amazing. However, the two hundred other boats on the river really destroyed the atmosphere.
We checked in at the Hotel de Paris, a small hotel owned by a friendly, old lady. Our rooms were OK, but we asked to be transferred to the newer part of the hotel. The stomach ache of my wife did not disappear.