shaft  
 noun [ C ] uk/ʃɑːft/ us/ʃæft/
  (LONG OBJECT)               
  (工具或武器的)杆,柄
a pole or rod that forms the handle of a tool or weapon
  the shaft of a golf club 高尔夫球杆的柄 
  (机器的)轴
a rod forming part of a machine such as an engine, that turns in order to pass power on to the machine
  the drive shaft of a car 汽车的驱动轴 
 the propeller shaft of an aircraft 飞机的螺旋桨轴 
 See also: crankshaft
  medical specialized(头发的)毛干 
the part of the hair above the scalp
  medical specialized(身体部位)骨干 
a long structure like a stem in the body
 shaft of light 一道光,一束光
a beam of light
  A shaft of (sun)light came through the open door. 一道(阳)光透过敞开的门照了进来。 
   (PASSAGE)      
  井状通道;井穴
a long, either vertical or sloping, passage through a building or through the ground
  a lift shaft 电梯井 
 a ventilation/air shaft 通风井 
 a well shaft 井道 
   (REMARK)      
  literary(尤指具有攻击性的)机智的话 
a clever remark, especially one that is intended as an attack on someone or something
  John came out with an unexpected shaft of wit/wisdom. 约翰出人意料地妙语连珠。 
   (TREATMENT)     
the shaftUS informal 侮辱;责难;不公平待遇
unfair treatment
  His boss gave him the shaft by firing him just before he would have gotten a bonus. 正当他正要获得奖金时,他的老板地却无情地解雇了他。 
 shaft       
verb [ T ]  informal uk/ʃɑːft/ us/ʃæft/
 蒙骗,欺骗
to cheat or trick someone, or to treat someone unfairly
  She was shafted by her agent over the film rights to her book. 她在书的电影版权问题上受了经纪人的骗。