Someone who is ambitious has a strong desire to be successful, rich, or powerful.
Chris is so ambitious, so determined to do it all.
克里斯是如此雄心勃勃,如此坚决地要把它做完。
An ambitious idea or plan is on a large scale and needs a lot of work to be carried out successfully.
The ambitious project was completed in only nine months.
这个宏大的项目在仅仅9个月之内就完成了。