顶补 Traditional form: 頂補 Pinyin (reading): dǐngbǔ Definitions: to fill a vacancy to substitute for Characters: 顶 - top, summit, peak; to carry on the head 补 - to fix, to mend, to patch, to restore Traditional characters: 頂 - top, summit, peak; to carry on the head 補 - to fix, to mend, to patch, to restore