es el su/tu jefe (formal/informal)
The word for "files" in Spanish is "archivos". It is pronounced "ar-CHEE-bose". Please see the Related link below for confirmation of the translation.
Bose
diabolical = teuflisch diabolical = diabolisch
Bose sucks before sales people are very pushy. Bose sucks because they are terribly overpriced. Their speakers do not project a clean sound. There are far better speaker brands for the same money.
There are cheaper options other than Bose that work just great. Bose has a repuation for quality and longitivity. I have never had any problems with Bose and I have owned there products for over 15 years. I would say yes they are worth the extra money.
Google Translate
Some people prefer apple headphones because they say that the fit is better on the ears, however some people say that bose has better sound quality.
"Objectives" in Spanish is "objetivos" (there is no C). It is pronounced "obe-hay-TEE-bose". Please see the Related link below for confirmation of the translation.
Starting with the 1999 GTP Grand Prix, they offered Bose as an optional sound system. On the 1999 GTP, the radio says Delco, and only the front left and right speakers say Bose. I assume it is the same for the 2000 GTP, so if you don't see Bose on the left and right speaker covers, it isn't Bose. It is a very good sound system.
"One dollar and twenty cents" in Spanish is "Un dólar y veinte centavos". It is pronounced "oon DO-lar ee BANE-tay sehn-TAH-bose". Please see this site for confirmation of the translation: http://www.answers.com/library/Translations
Sister in law in Spanish is cunada.
How to say "hi" in spanish is Hola. How to say "bye" in spanish is Adios.