What does what a scourge is laid upon your hate That heavens finds means to kill joys with mean in and

This phrase is from William Shakespeare's play Much Ado About Nothing, Act 4 Scene 1 and it is spoken by Hero to Beatrice as she is accusing her of destroying her marriage to Claudio. The meaning is that some disaster or source of trouble has plagued her hate, and that the heavens are finding a way to punish her for it, by taking away her happiness and causing sorrow and resentment.