asestar un golpe

(v.) = give + a blow, deal + a blow, strike + a blow
Ex: It was as if she had been given a dizzying blow = Fue como si le hubieran dado un golpe y se hubiera mareado. Ex: The Internet has dealt a blow to the librarian's comfortable role as an information gatekeeper at the centre of the information providing business. Ex: This ultimately resulted in a Supreme Court decision that supported the defendants, striking what the music industry claimed would be a 'mortal blow' to its livelihood.