名詞 sackcloth:

1. a garment made of coarse sacking; formerly worn as an indication of remorse
2. a coarse cloth resembling sacking

1. I thought that he had posted the letter, but a week later he come to me in sackcloth and ashes to say that he had found it still in his pocket.
   我以為他已把那封信寄走了，但一個星期后他到我時悔恨交加地說，他發(fā)現(xiàn)那封信仍在他的口袋里。