/belt ||; bɛlt/noun[C] 1 a thin piece of cloth, leather, etc that you wear around your waist 腰带；皮带: I need a belt to keep these trousers up. 我需要一条腰带把这裤子束紧。 ☞picture on page C6 见C6页插图 ☞Look at seat belt. 参看 seat belt。
2 a long narrow piece of rubber, cloth, etc in a circle, that is used for carrying things along or for making parts of a machine move 传送带；传动带: The suitcases were carried round on a conveyor belt. 手提箱用传送带运送。the fan beltof a car (= that operates the machinery that cools a car engine) 汽车散热风扇的传动带
3 an area of land that has a particular quality or where a particular group of people live 区域；地带: the green belt around London (= an area of countryside where you are not allowed to build houses, factories, etc) 伦敦四周的绿化带the commuter belt 通勤者居住区
below the belt(
informal 非正式) unfair or cruel 不公平；残忍:
That remark was rather below the belt. 那样的话并不公平。 tighten your belt→
TIGHTEN(
informal 非正式) that you have already done or achieved 已完成的；已获取的:
She's already got four tournament wins under her belt. 她已经取得四次锦标赛胜利。