a pole or rod that forms the handle of a tool or weapon（工具或武器的）杆，柄

a rod forming part of a machine such as an engine, that turns in order to pass power on to the machine（机器的）轴

specialized medical the part of the hair above the scalp（头发的）毛干

specialized medical a long structure like a stem in the body（身体部位）骨干

a long, either vertical or sloping, passage through a building or through the ground井状通道；井穴

literary a clever remark, especially one that is intended as an attack on someone or something（尤指具有攻击性的）机智的话

to cheat or trick someone, or to treat someone unfairly蒙骗，欺骗