n.机智；精明；魄力；进取心
He didn't have the gumption to keep his mouth shut. 他这人不老练，嘴不严。
It takes gumption to quit a good paying job. 要辞去一个待遇很好的工作需要勇气。
He's a nice enough lad,but he doesn't seem to have much gumption. 他是个不错的小伙子,但好象没有什么进取心。
