ReadWriteQuiz
Chinese dictionary
n.incantation of the Gold Hoop (used by the Monk in the novel Pilgrimage to the West to keep the Monkey King, his disciple, under control)―something used as a controlling device
对他来说,这就是紧箍咒,每回一听,保管头痛。
This was surely a magic formula for him as his head ached each time he heard it.