lord have mercy

lord have mercy have no mercy Today I have mercy on you,tomorrow?Why have mercy Death Don't Have No Mercy Your helplessness,me have mercy on. God have mercy!请问这是什么? May God have mercy on your soul May God have mercy on you my Mercy Mercy Mercy 歌词 Lord show mercy to sb.和have mercy on sb.和show mercy on (upon)有什么区 have mercy to还是for还是on show mercy 介词的使用是什么