•an ambitious young lawyer雄心勃勃的年轻律师

•He's very ambitious for his children (= He wants them to be successful).他望子成龙。

•She has some ambitious expansion plans for her business.她雄心勃勃，打算扩大经营规模。

•The government has announced an ambitious programme to modernize the railway network.政府已经宣布了实现铁路网现代化的宏伟规划。

•The original completion date was over- ambitious, so we have had to delay the opening by six months.当初在确定完工日期的时候太急于求成，以致后来我们不得不把落成典礼延后六个月。