1 the rubbing of one surface or thing against another 摩擦:
You have to put oil in the engine to reduce friction between the moving parts.你要在发动机里加点油,减少移动部位之间的摩擦。
2friction (between A and B) disagreement between people or groups 个人或团体间的不和或冲突:
There is a lot of friction between the older and younger members of staff.年纪较大的跟年纪较轻的员工间时常有磨擦。