preocupar
transitive verb
(inquietar) to worry; (molestar) to bother esto me preocupa muchísimo I'm extremely worried about this; this worries me very much; me preocupa cómo decírselo I'm worried about how to tell him; no le preocupa el qué dirán he's not bothered about what people may say
pronominal verb
preocuparse1 (inquietarse) to worry;de, por about
¡no se preocupe! (para calmar a algn) don't worry!; (para que algn no haga algo) don't bother!; no te preocupes por eso don't worry about that; no se preocupa en lo más mínimo he doesn't care in the least