flashback ·noun (MEMORY)
Definition: when you suddenly remember something that happened in the past, often something bad Level: C2
事故发生后，她多年来一直遭受闪回的困扰。
She suffered from ___flashbacks for years after the accident.
一个突然的闪回将她带回到二十年代，那时她还是妈妈的小女孩，纯真无邪，卷发飘飘。
A sudden ___flashback brought her to the twenties, when she was still her mamma's little girl, all innocence and curls.
雨声触发了他对童年痛苦经历的闪回。
The sound of rain triggered a painful ___flashback to his childhood.