preguntar
transitive verb
1. to ask
preguntar algo a alguien -> to ask somebody something
a mí no me lo preguntes -> don't ask me
si no es mucho preguntar, ¿cuántos años tiene? -> if you don't mind my asking, how old are you?
intransitive verb
2. to ask
preguntar por -> to ask about o after
preguntan por tí -> they'are asking for you
preguntarse
pronomial verb
1. to wonder
preguntarse si -> to wonder whether