fire：/faiə/

n.［U］火 Most animals are afraid of fire.大多数动物怕火

［U,C］失火，火灾

Fires were breaking out everywhere.到处都在发生火灾

A small fire had started in the kitchen.厨房燃起了一小股火苗

be on fire：着火（状态）The car was now on fire.车在燃烧

set sth on fire=set fire to sth 放火烧

Several youths had set fire to the police car.几个年轻人纵火烧警车

A candle had set the certains on fire.蜡烛把窗帘点燃了

v.开枪，射击

The officer ordered his men to fire.军官下令士兵射击

解雇，开除

We had to fire him for dishonesty.他不诚实，我们不得不开除他