The phrase "ambitious time" is not commonly used in written English and may be unclear in meaning.
It could be used when referring to a time frame that is challenging or requires significant effort to achieve a goal.
Example: "The project has an ambitious time frame, aiming to complete all phases within six months."
Alternatives: "challenging timeline" or "aspirational schedule".
For Mr. Huang, 25 years is not an overly ambitious time frame.
Amyas Morse, head of the NAO, said: "The department's plans for universal credit were driven by an ambitious time scale … but suffered from weak management, ineffective control and poor governance.
Catherine Ashton, the European Union's foreign policy chief, said the diplomats had all agreed to "go forward with an ambitious time frame".
European Union foreign policy chief Catherine Ashton, who chaired the meeting of Kerry, Zarif and top diplomats from five major powers, deemed the brief talks "significant" and said the parties had agreed to "go forward with an ambitious time frame".
Mnuchin has also said he wants to complete an overhaul of the tax code before the August recess of Congress, an ambitious time-frame given how politically treacherous tax changes often prove to be.
In Labyrinth it was the 13th-century Cathars who were in need of its help, but in this final instalment Mosse pursues a more ambitious time-line, switching between the story of Arinius – a fourth-century monk – and the tragic history of Sandrine Vidal, an unsung heroine of the French Resistance.
We live in ambitious times.
Built at unimaginable cost, opened with glorious fanfare and now mere memorials to more ambitious times.
Chris Hedges was another ambitious Times reporter who chafed against its standards.
India's latest 11th Five Year Plan sets out an ambitious time-bound goal of reducing anaemia among women and girls by 50% by 2012.
5 The ambitious, time-sensitive VMMC targets require large numbers of trained health care workers and other cadres of support personnel.
