mend“修理,修补,缝补”,指将用坏了的简单的日常用具“修理”完好,较少用于较大物品.它多指对玩具、衣服、鞋袜等的修补,有时也可指对道路、门窗及电器的修理.如：
Mary is mending her skirt.玛丽正在补裙子.He is mending his pen.他正在修理钢笔.而repair“修,修理,修补”,多指对机械、车辆、无线电、建筑物,道路等比较复杂的修理,对衣服.一般用于对大件或构造复杂的物件进行“修理”.鞋袜的修补也可用repair,但mend更常用.如：Jack knows how to repair the computer.杰克知道怎么修这部电脑.Some workers are repairing the road.一些工人在修路.Has the car been repaired yet?汽车修好了吗?
