sackcloth

n [U] 1 = sacking. 2 (idm 习语) ,sackcloth and `ashes signs of repentance or mourning 忏悔; 哀悼.

sabbath, sabbatical, sable, sabot, sabotage, saboteur, sabra, sabre (US saber), sabre-rattling, sabre-toothed, sabre-toothed tiger, sabretoothed, sac, saccharin, saccharine, sacerdotal, sacerdotalism, sachet, sack, sack-race, sackful, sacking, sacrament, sacramental, sacred, sacredly, sacredness, sacrifice, sacrifice sth. for, sacrifice to, sacrificial, sacrificially, sacrilege, sacrilegious, sacrilegiously, sacristan, sacristy, sacrosanct, sad, sadden,