接二连三 one after another
Explanation
一个接着一个，接连不断地发生。
One after another, happening continuously.
Origin Story
话说贾府，元春封妃，一时荣华富贵，风光无限。然而好景不长，先是元春暴病而亡，接着贾府的经济状况日渐衰败，各种不幸接二连三地降临。宝玉与黛玉的爱情悲剧，探春远嫁他乡，迎春受虐而亡，一个个噩耗接踵而至，使得贾府由盛转衰，最终走向衰败。这接二连三的变故，令人唏嘘不已，也警示人们世事无常，荣华富贵终将逝去。
In the Jia family, when Yuanchun became a concubine, the family lived in wealth and glory. However, this glory did not last long. First, Yuanchun died suddenly, then the Jia family's economic situation gradually deteriorated, and misfortunes came one after another. The love tragedy of Baoyu and Daiyu, Tanchun's marriage far away, Yingchun's death from abuse, one bad news after another, causing the Jia family to decline from prosperity, and finally to ruin. The successive changes make people sigh and warn people that the world is impermanent, and wealth and glory will eventually pass away.
Usage
形容事情一个接一个地发生，接连不断。
Describes events happening one after another without interruption.
Examples
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坏消息接二连三地传来，令人沮丧。
huaixiaoxijieliansantichulei,lingrenjusa
Bad news came one after another, making people feel depressed.
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公司最近接二连三地发生事故，管理层应该反思。
gongsizuijinlieliansandifa shengshigu,guanli cenghenggaifansi
The company has had a series of accidents recently, and the management should reflect on this.