1550s, "one who chops," agent noun from chop (v.1). Meaning "meat cleaver" is by 1818. Meaning "helicopter" is from 1951, Korean War military slang (compare egg-beater); as a type of stripped-down motorcycle (originally prefered by Hells Angels) from 1965.
实用例句
1. Overhead, the chopper roared and the big blades churned the air.
头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。
来自柯林斯例句
2. We broke open the crate with a blow from the chopper.
我们用斧头一敲就打开了板条箱.
来自《简明英汉词典》
3. The chopper would not arrive until after the press contingent had departed by bus.
记者组乘大客车离开后飞机再来.
来自辞典例句
4. Just fire up the chopper and fly away like you people?
你认为我们会像你们一样打一枪换一个地方?
来自电影对白
5. So what do you want to do about shooting down this chopper?
