expel v. 驱逐，开除，排出，发射
例句：The headmaster decided to expel Henry from the school and taught the others a lesson．
校长决定开除亨利，并给其他学生一个教训。
propel v. 推进，驱使
例句：There are no people to propel you in the direction you need to go, So you should do it yourself.
没有人在你需要前进的方向上驱使你，所以你必须自我激励。
repel v. 击退，抵制，使厌恶，使不愉快
例句：Our country has the strong will to repel any invaders.
我们国家有强大的决心击退任何入侵者。
rebel n．造反者，叛逆者 adj. 造反的，叛逆的 v．造反，反叛
例句：The slaves rebelled against their masters and killed them all.
奴隶们起来反抗奴隶主并把他们都杀光了
rebellion n. 谋反，叛乱，反抗，不服从
例句：The peasants rose in rebellion against the government but it was suppressed ln several hours.
农民们反叛政府，但是几小时内就被镇压了。
