The phrase 'most shrewd' is correct and usable in written English.
It is an adjective used to describe someone who is highly perceptive and astute. For example: "The business mogul was known for his most shrewd investments that made him a fortune."
But Chuck could be the most shrewd political foe the mayor has encountered in years.
It is not the most grounded of the species that survive, nor the most shrewd, however one most receptive to change.
They are among the most shrewd tacticians either party has had, and they both came up through the appropriations committees.
His steely eyes are the only clue that this is one of Britain's most shrewd — and feared — political operators.
Marketing experts say McDonald's, which has long been proud of its inclusive advertising, is among the most shrewd when it comes to reaching blacks and Hispanics.
He's always been capable of the most shrewd, but brutal, survival tactics, à la the Godfather, and the most cartoonish miscalculations, à la the Donald.
Regardless of whether or not he actually likes the film, as one of Italy's most astute politicians – probably the shrewdest since Silvio Berlusconi – he also understands that a lot of voters find it funny.
Even the most psychologically shrewd managers lack critical information about how employees spend their days and how they feel about their peers.
1373) went even further alleging that "Heraclius was one of the wisest men and among the most resolute, shrewd, deep and opinionated of kings.
Perfumo played against England in the 1966 World Cup quarter-final at Wembley, captained Argentina in a friendly at Wembley in 1974 (score 2-2) athehe age of 33 and is regarded as Argentina's most elegant, shrewdest, toughest defender.
IF there were an award for the British dramatist who most brilliantly combines shrewd observation with technical daring, the winner would not be some 25-year-old meteor from the far horizons of the avant-garde.
