učinkováti to effect, to be effectual; to operate (na on), to take effect, to have an effect; to act; to produce an effect (na on); to have an influence (na on)
učinkováti na koga to have an effect on someone, to influence someone, to impress someone, to tell on someone
to ni prav nič učinkovalo nanj it had no effect on him, it did not affect him
to nanj ne učinkuje (figurativno) this cuts no ice with him
ona učinkuje nanj kot rdeča ruta (na bika) she makes him see red
slika učinkuje mnogo boljše iz daljave the picture looks much better at a distance
zdravilo ni učinkovalo the remedy did not work