"编讲悲惨的往事" can be translated into English as "fabricate and recount tragic past events" or "concoct and narrate sorrowful past stories".
Here, "fabricate" or "concoct" convey the idea of creating or inventing something, often with a negative connotation implying dishonesty or exaggeration. "Recount" and "narrate" both mean to tell a story or describe events in sequence. "Tragic" and "sorrowful" are used to describe the sad or distressing nature of the past events being discussed.