unsuccessful or likely to be unsuccessful because of needing too much effort, money or time 所需投入过大的，目标过高的（因而未成功或成功机会甚微） Her plans were overambitious. 她的计划都过于宏大。 🔊🔊 We were overambitious in what we tried to do. 我们在尝试做的事情上雄心勃勃。
- (disapproving)
too determined to be successful, rich, powerful, etc. 进取心过强的；野心过大的 He suffered from overambitious parents who pushed him too hard. 他的父母太过野心勃勃，使他过分地努力。