The phrase "ambitious window" is correct and usable in written English.
It can be used to describe a window of opportunity or timeframe that is particularly challenging or requires significant effort to achieve something.
Example: "The ambitious window for completing the project is set for just three months, pushing the team to work diligently."
Alternatives: "challenging timeframe" or "aspirational period".
Daniel Radcliffe, right, the "Harry Potter" star — who, in fairness, works hard in all his endeavors, we're sure — will play the ambitious window washer J. Pierrepont Finch in a revival of "How to Succeed in Business Without Really Trying" that is planned for Broadway in the spring of 2011, its producers announced on Thursday.
From ambitious window displays and live DJ slots to selfie booths and a virtual reality water slide, high street retailers are getting more creative in how they lure customers through the door.
For the Feb. 17 public event to roll out Microsoft's ambitious Windows 2000 operating system, Sun marketing executives had hired a fleet of 20 bright yellow trucks used by the pest-control company Western Exterminator.
Together Pignata and Popovic have been active during an ambitious transfer window, replacing a notoriously porous backline with one Graham Arnold could conceivably select for the Socceroos.
At least Microsoft admits that it has been "ambitious" with Windows Vista and is sorry that it shortened the time that XP would be available.
For Microsoft, October 26th is set to be a big day: Windows 8 is one of the most ambitious overhauls of Windows in years, perhaps ever.
"Future Proof" starts the album with an almost operatic sense of drama, while harrowing synths and precious keys float above the laptop beats in "Name Taken". The polished tracks, however, don't seem to mesh with "Window's" ambitious lyrics, with their themes of vulnerability, addiction and needless bloodshed.
The negotiating results are balanced, ambitious and offer a window of opportunity for both sides.
The more ambitious owners install electric windows that shut at night to protect the swifts from predators.
(His most ambitious project remains the windows for the Judson Memorial Church in Lower Manhattan; he never achieved the fame of his rival, Louis Comfort Tiffany, partly because he never ventured into mass-produced objects like lamps).
The keynote lacked any big new numbers or surprising announcements because that is not what Microsoft was trying to achieve: its understated but ambitious message was that Windows 8 marks a new dawn for PCs.
