v (1)修理(补)(put sth broken，torn，etc into good condition again;repair)[T+n]：～socks/shoes/clothes/a torn sleeve/a broken watch/a burst pipe/the ornament/the door/the road 缝补袜子/缝补鞋子/缝补衣服/缝补破烂的袖口/修理坏了的表/修理漏水管道/修补饰品/修门/修补路面;Could you～this hole in my shirt? 你能补我衬衣上的洞吗?〖同〗repair，fix，patch;〖反〗damage，ruin，destroy;

(2)改善(良)(make better：set right(to))[T+n]：You'd better～your manners/ways.最好改改你的态度/方法。That won't～matters.这与事无补。〖同〗improve，better;

(3)恢复健康;愈合(improve in health or grow better;heal)[I]：He is～ing well.他身体恢复得很好。My arm is～ing nicely.我摔断的胳膊愈合得好极了。The bone/broken leg/patient's broken heart is starting to～.骨折/摔断的腿/病人的受损心脏正开始恢复。〖同〗recover，heal，cure，remedy;〖反〗injure，break;

→′mending n 修(缝)补;

n 修补过的地方，补丁(broken，damaged，etc part that has been repaired)[C]：a～in the dress/sole of a shoe 衣服上的/鞋底上的补丁;Their jackets are always full of～s.他们的外衣到处是补丁。That's a good～;it doesn't show.补得真好，看不出来。

on the mend 1)恢(康)复：His health/My broken leg is on the～.他的身体正在恢复/我摔断的腿正在愈合。2)好转(指事态等)：The business/economy continues on the～. 事业/经济继续好转。The breach between father and son is on the～.父子不睦有所缓和。