leave at the altar
在婚礼当天抛弃伴侣；突然取消婚礼
口语·描述婚礼取消或背叛
英文释义
to cancel or break off a planned wedding or commitment at the last minute
例句
He left her at the altar, and she was heartbroken.
典故来源
源自婚礼习俗，指在教堂圣坛前取消婚礼，象征突然背叛。