get-up-and-go       
noun [ U ]  informal uk/ˌɡet.ʌp.ənˈɡəʊ/ us/ˌɡet̬.ʌp.ənˈɡoʊ/
 闯劲;进取心
the quality of being positive and having a lot of new ideas, determination, and energy
  This job needs someone with a lot of get-up-and-go. 这项工作需要一个有点魄力的人来做。