discharge 语气较重，指有理由的解雇，含几乎不再复用的意味。
dismiss 正式用词，是这组词中语气最轻的一个词，一般只有从上文才能看解雇的原因或理由。
fire 口语用词，多指被断然地突然解雇，其行动犹如开枪一样干净利落。
参考例句
1. Before we could build we had to fire bricks and carry timber from the forests. 在我们建房前我们必须烧制砖块，从森林中采伐木材。
2. He rescued the girl from the fire. 他从火灾中救出了这个女孩。
3. There is fire and eye team skills '. 而且火眼有是组队技能，好呀。
英英解释
n.
1. the event of something burning (often destructive)
2. the process of combustion of inflammable materials producing heat and light and (often) smoke
3. the act of firing weapons or artillery at an enemy
4. a fireplace in which a relatively small fire is burning
5. intense adverse criticism
6. feelings of great warmth and intensity
7. once thought to be one of four elements composing the universe (Empedocles)
8. a severe trial v.
1. start firing a weapon
2. cause to go off
3. bake in a kiln so as to harden
4. terminate the employment of
5. go off or discharge
6. drive out or away by or as if by fire
7. call forth (emotions, feelings, and responses)
8. destroy by fire
9. provide with fuel
