ambitious

形容词 ambitious:

1. having a strong desire for success or achievement
2. requiring full use of your abilities or resources
   同义词：challenging

1. By no stretch of the imagination could you call him ambitious.
   不管你怎麽想，也不能说他存有野心。
2. She's ambitious and eager to get on(in die world).
   她雄心勃勃，迫切地想成功。
3. He ventured on an ambitious project.
   他冒险从事一项富有雄心的计画。
4. An ambitious boy usually works hard.
   一个充满雄心的男孩通常会努力工作。