snow plus frost one disaster after another;calamities come in succession;add to the misfortunes of a man who is already unfortunate
❍ 谁能料到他已家破人亡，～？Who would have expected that his family had been broken up,with one disaster coming after another?
雪上加霜
snow plus frost—rub salt into one’s wounds;add insult to injury;add to one’s miseries;make things worse
不使两国关系～ avoid worsening of the bilateral relations
雪上加霜xuě shànɡ jiā shuānɡ
比喻接连遭受灾难或苦上加苦。one disaster after another, woes come in succession