• 1  da ad. to go/turn sour

  ardoa garraztu egin da: the wine has turned sour

• 2  da ad. (hed.) to become bitter/embittered; to become/get angry; to run high (tempers)

  eztabaida garrazten hasi zen: the argument started to become bitter

• 3  du ad. to make sour

• 4  du ad. (hed.) to embitter, to make bitter; to upset; to sour