Describing a person:
* "The ambitious young entrepreneur set her sights on building a billion-dollar company." (Here, "ambitious" describes the entrepreneur's goal-oriented nature and high aspirations.)
* "He was an ambitious politician who dreamed of becoming president one day." (This sentence highlights the politician's strong desire for power and influence.)
* "Her ambitious plans for the project included international expansion and partnerships with leading brands." (This example showcases the ambitious scope of the project's goals.)
Describing something else:
* "The company launched an ambitious marketing campaign to increase brand awareness." (This sentence describes a bold and large-scale effort.)
* "The museum has an ambitious plan to renovate its entire collection." (This shows that the renovation project is extensive and demanding.)
* "She took on an ambitious research project that aimed to uncover the secrets of the ancient civilization." (This sentence emphasizes the challenging nature of the research.)
Remember that "ambitious" can have both positive and negative connotations. Sometimes it can suggest someone is overly driven, but it usually reflects a positive trait of determination and aspiration.