The phrase "a shrewd time" is not commonly used in written English and may not convey a clear meaning.
It could be used in contexts discussing a period characterized by cleverness or astuteness, but it is not a standard expression.
Example: "During a shrewd time in the market, investors made strategic decisions that led to significant profits."
Alternatives: "a clever period" or "an astute moment".
"Last week there was persuasive evidence that Marilyn Monroe is a shrewd businesswoman," Time reported in January, "apparent when Marilyn Monroe Productions bought a property to serve as a starring vehicle for its president, M. Monroe".
In a letter that he wrote to a friend from Tahiti in 1897, he made a shrewd prophecy: "A time will come when people will think I am a myth, or rather something the newspapers have made up".
However, before Gates became the legendary success he is today, the tech genius was a shrewd but small-time businessman.
Grant himself, far from being politically naive, had played a shrewd hand at times in the protection of cabinet and appointees.
It was a shrewd use of their time.
Donovan has become a shrewd politician in his time, capable of serving revenge cold.
Rather than prioritising a particular audience, he addresses whoever he can, modulating his message each time like a shrewd ambassador for financial prudence.
Some time ago a shrewd, sceptical, and well-connected, defence source told me to watch the plans to build new fleets of badly-needed surface ships - frigates and destroyers - for the Royal Navy.
President Assad has been accused of playing a diplomatic poker game, and as the mission nears stalemate, suspicions are growing that the deal was a shrewd ruse designed to buy time and avert military intervention.
At least three restaurants -- La Caravelle, the "21" Club and the Rainbow Room -- have recently created separate sections on their menus highlighting classic dishes, a shrewd way of alerting first-time visitors that they can actually snare, in their natural habitat, such culinary legends as quenelles de brochet, Dover sole anglaise and roasted chicken with champagne sauce.
