旦夕禍福
anyone may be lucky one moment and unlucky the next;fortune is fickle
人有~。People are subject to sudden changes of fortune;Misfortunes always befall a person suddenly.
旦夕禍福dàn xī huò fú
短時間內(nèi)的災(zāi)禍和幸福。形容命運的突然改變。be in imminent peril, sudden changes of fortune, fortune is fickle