grease somebody's palmPAY FORto give someone money in a secret or dishonest way in order to persuade them to do something 向某人行贿,买通某人 Joseph was able to grease a few palms, thus helping his brother to escape. 约瑟夫买通了几个人,帮助他兄弟逃了出来。
→ grease somebody’s palm at grease2(1)