dar fe de algo to testify to something.
Note: At the end of legal documents it often says "Doy fe" before the signature. 
dar la lata
siempre está dando la lata

 to be a nuisance / to bother someone
he is always being a nuisance.
dar voces to shout / scream
dar a luz to give birth
dar cosa

Me da cosa preguntarle de nuevo to feel uncomfortable / awkward about something
I feel awkward about asking him again
en un momento dado at a given moment / time
dado que given that / since
dado por ...
dado por muerto presumed to be ....
presumed to be dead