backbone

have a crush on sb 迷恋某人

take up/accept  the challenge 接受挑战

backbone: courage and determination 勇气/胆量

翻译下面的句子：

He didn't have the backbone and gave up the scholarship application at the last moment.

他没有胆量，在最后一刻放弃了奖学金申请。

我没有当众演讲的勇气

I don't have the backbone to speak publicly.