The phrase "ambitious orders" is correct and usable in written English.
It can be used to describe requests or commands that are challenging or require significant effort to achieve.
Example: "The manager issued ambitious orders to the team, aiming to complete the project ahead of schedule."
Alternatives: "challenging requests" or "daring commands".
So King Abdullah gave Mr. Halaiqah an ambitious order: Get Jordan into the W.T.O. in time for Seattle.
CANNES, France — In "The Tree of Life," a cosmic head movie of the most ambitious order, Terrence Malick reaches high, his ecstatic camera and thoughts soaring.
Redbook's trend-sniffing is of a high, or ambitious, order.
People purchased the trial transcripts rushed into print by ambitious publishers, ordered commemorative trinkets by mail, hung paper flags and collected cards memorializing the slain president.
Video: War of the Mind Ketchum, a scientist with a propagandist's eye, documented many of his more ambitious experiments in order to advertise the program within the military.
Suddenly the church needed to produce art and architecture on a more ambitious scale in order to accommodate and educate its new members and to reflect its new dignity and social importance.
It is the second part that seems ambitious for, in order to get these genes to spread through the Anopheles population of Africa and other infected areas, they will have to confer higher fitness on the insects that contain them than is found in the natural population.
Most of NOIC set ambitious targets in order to reduce the dependence on fossil fuel importing.
Andy Grove once remarked that a company needs highly ambitious executives in order to achieve its goals.
A number of startup studios are in the midst of a years-long experiment, providing back-end assistance, office space and mentoring to talented, ambitious people in order to create a startup with them, often based around their expertise.
