用it never rains but it pours表达“祸不单行”

“不雨则已，一雨倾盆”，形容坏事不来则已，一来则不止。It never rains but it pours 和中国成语里的“祸不单行”意思一样。 We had nothing to do for weeks, then suddenly we have all this work to do; it never rains but it pours! I ...