zealous /ˈzɛləs/ TEM4

• 1. 

  ADJ Someone who is zealous spends a lot of time or energy in supporting something that they believe in very strongly, especially a political or religious ideal. (尤指对政治或宗教理想) 热衷的

  例：

  She was a zealous worker for charity.

  她是个热衷于慈善事业的工作者。