如蛆附骨

辞典解释如蛆附骨rú qū fù gǔㄖㄨˊ ㄑㄩ ㄈㄨˋ ㄍㄨˇ 蛆，食腐尸的虫子。如蛆附骨指像蛆一样吸食尸骨的养分。比喻纠缠趋附，难以袪除的恶势力。 如：「人口贩子如蛆附骨，强迫这些可怜少女跳入火坑。」英语 lit. like maggots feeding on a corpse (idiom)​, fig. fixed on sth, to cling on without letting go, to pester obstinately