如ㄖㄨˊrú蛆ㄑㄩqū附ㄈㄨˋfù骨ㄍㄨˇgǔ

蛆，食腐屍的蟲子。如蛆附骨指像蛆一樣吸食屍骨的養分。比喻糾纏趨附，難以袪除的惡勢力。如：「人口販子如蛆附骨，強迫這些可憐少女跳入火坑。」

英lit. like maggots feeding on a corpse (idiom), fig. fixed on sth, to cling on without letting go, to pester obstinately