Misfortunes never come singly

并在那个争升班严重光阴失分，祸不单行(Misfortunes never come singly)是周二晚作东锡菲联在领先下，读书使人充实，思考使人深邃，交谈使人清醒。

 It never rains but it pours

... right as rain：非常健康；状况良好 it never rains but it pours：祸不单行；不雨则已，雨则倾盆 to rain cats and dogs：下倾盆大雨 ...

 Misfortunes never come alone

Misfortunes never come alone（祸不单行），语法学老师常说的这句话真是闪光的人生哲理。

 Troubles never come single

... as 引导非限制性定语从句（二册已详细说过） Troubles never come single 祸不单行 as we know 众所周知 ...