it's worth doing这里的动名词在句中做什么成分呢?

it's worth doing这里的动名词在句中做什么成分呢? whatever is worth doing at all is worth doing it well.为什么这里的it要省略? 请翻译if it's worth doing,it's worth doing imperfectly it’s worth the money.后面的worth the money如何解释?worth在这里是什么词? If a job is worth doing,it's worth doing well翻译成中文谚语是什么? It's just not worth it.寻求翻译?请解释这里的it用法. it's worth it.这里的第二个it怎么理解? it's (well) worth one's while doing/to do...it's (well) worth while doing/to do... it's not worth of doing 意思是不珍惜宝贵的事么? It is worth trying.这里的worth是介词吗 It is worth trying.这里的worth是介词吗 It's worth much more than I paid for it这里much修饰的是什么? it's amazing video,worth seeing.worth 的用法?it's amazing video,worth seeing.这个视频很精彩,值得一看.可以用worth seeing吗?就是worth doing sth .还是用worth watching更好一些?另外worth a visit,worth a look 也是值得一看 it is worth of doing xxx 还是 it is worth doingxxx 怎么我看见有worth doing的用法谢谢 whatever is worth doing at all is worth doing （it） well.为什么 括号里的it 必须省略 be worth英语问题做了道题:Many people say Jay Chou's new album is ____.A.very worth listening B.well worth listeningC.well worth a listen D.very worth listen我选了B,结果答案是C.这里难道不能用be worth doing吗?还有C的用 Would you like to do it at all?I‘d love to,but the question is whether it is worth doing.这里的at all用的对吗? worth doing worth to do的区别