• 1  da ad. [neketsua gertatu] to be hard/difficult, to take a lot/much; to have trouble doing sth

  gezurrik ez esatea ez da asko kostatzen: it isn't difficult not to tell lies

  atsegina izatea ez da asko kostatzen: it doesn't take much to be pleasant

• 2  da ad. to cost

  zenbat kostatzen da bazkide egitea?: how much does it cost to become a member?