Definition
[U] courage and determination
本义：脊柱
引申义：1、支柱 2、勇气、胆量
Synonym
Courage
Sentence
1. He has a crush on Sarah, but doesn’t have the backbone to ask her out.
Have a crush on sb. 迷恋某人
2. Nobody in the Chongqing bus had the backbone to intervene and prevent the middle-aged woman from assaulting the driver. If somebody did, the story would have turned out very differently.
3. He has enough backbone to take up the Ice Bucket Challenge.
Practice
1. 他没有胆量，在最后一刻放弃了奖学金申请。
He had no backbone and gave up applying for the scholarship in last moment.
He didn't have the backbone and gave up the scholarship application at the last minute.
Lacking the backbone, he gave up the scholarship application at the last minute.
2. 你也许要采取极端的措施，你必须有勇气那么做。
You may take radical measures. You must have the backbone to do so.
You might be taking drastic measures and you've got to have the backbone to do that.
