1. under fire : 受攻击；
2. on fire : 起火, 非常激动, 着火；
3. hold fire : 不采取行动；
4. go through fire and water : 赴汤蹈火；
5. take fire : 着火；
6. fire out : 开除, 解雇；
7. on the fire : 在予以考虑中；
8. play with fire : 玩火；
及物动词
不及物动词
名词
燃烧;热量;激情（BURNING, HEAT, OR ENTHUSIASM）
1. 火
Fire is the hot, bright flames produced by things that are burning.
2. 火灾;失火
Fire or a fire is an occurrence of uncontrolled burning which destroys buildings, forests, or other things.
3. 炉火;灶火;生成的火
A fire is a burning pile of wood, coal, or other fuel that you make, for example to use for heat, light, or cooking.
4. (电或煤气)取暖器
A fire is a device that uses electricity or gas to give out heat and warm a room.
1. the act of firing weapons or artillery at an enemy
e.g. hold your fire until you can see the whites of their eyes
they retreated in the face of withering enemy fire
Synonym: firing
2. a fireplace in which a relatively small fire is burning
e.g. they sat by the fire and talked
3. intense adverse criticism
e.g. Clinton directed his fire at the Republican Party
the government has come under attack
don't give me any flak
4. the event of something burning (often destructive)
e.g. they lost everything in the fire
5. a severe trial
e.g. he went through fire and damnation
6. feelings of great warmth and intensity
e.g. he spoke with great ardor
Synonym: ardorardourfervorfervourfervencyfervidness
7. the process of combustion of inflammable materials producing heat and light and (often) smoke
e.g. fire was one of our ancestors' first discoveries
8. fuel that is burning and is used as a means for cooking
e.g. put the kettle on the fire
barbecue over an open fire
9. once thought to be one of four elements composing the universe (Empedocles)