旋踵即逝 на русском

xuánzhǒngjíshì
旋踵:转动脚后跟;逝:消失。在转身时就消失了。形容消失迅速
西汉·司马迁《史记·吴起传》:“往年吴公吮其父,其父战不旋踵,遂死于敌。”
作谓语、定语;用于书面语
disappear in a split second <vanish before one has time to turn round>