expel repel dispel的区别
expel既可指驱逐出境，也可指开除离校或开除离岗。
repel作拒绝解时，语气比reject强。多指由于某物某事某行为不能让人满意而被当面直截了当地拒绝。
dispel语气较重，指态度坚决，肯定无疑的拒绝。指婉言谢绝他人的帮助或邀请等。
repel表示一种厌恶。
dispel消除负面状态等。
expel主要指驱逐出去。
They were told at first that they should simply expel the refugees.
一开始有人告诉他们应该直接将那些难民驱逐出境。
The heart muscles contract to expel the blood.
心脏肌肉收缩以挤压出血液
The fabric has been treated to repel water.
这种织物进行过防水处理。
Troops repelled an attempt to infiltrate the south of the island.
部队挫败了对该岛南部的渗透企图。
The police moved quickly to dispel the rumours.
警察迅速采取行动来消除谣言。
The President is attempting to dispel the notion that he has neglected the economy.
有人认为总统忽视了经济，总统正试图消除这种看法。