La abstención de fumar está haciendo que esté permanentemente malhumorado.
Abstention from smoking is causing him to be permanently bad-tempered.
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. Most are able to overcome their fears and to overcome their ignorance, if they want to. The subject that i am writing about is also an important factor in history since history consists of conflicts. In order to get to this hidden lake one would have to row beneath a cave. On the other side of the cave the five of us were alone. The lake was surrounded by limestone mountains covered with tropical trees.