Translation of Bestürzung

The current situation in Libya is really difficult. I tried to get in contact with acquaintances, but all the phones were not working. I'm really concerned about their well-being. I'll try again later.
You wrote the first one 2 weeks ago. I was just thinking that 'LUCARAS' is a brandname, while the dictionary is a type. In plural, formal address would be 'vosotros' in Spain, and 'ustedes' in most of the Spanish speaking world.
I can already speak a little English but not too well. So I'm more cautious about making mistakes. I want to improve my English, because it is also good for your confidence and communication skills.