"always astute" is grammatically correct and can be used in written English.
It is a descriptive phrase often used to describe someone who is consistently intelligent, perceptive, and discerning. It can be used in various contexts, but is most commonly used in a positive or admiring way to describe someone's character. Example: Despite facing numerous challenges, Jane remained always astute and found creative solutions to every problem that came her way.
Kosky's gestures are almost always astute.
And Island Records, which bankrolled Marley at the instigation of its proprietor Chris Blackwell, was always astute at tapping into the zeitgeist.
Generally it's the kind of thing a young autodidact would choose -- Ayn Rand, Hemingway, Hesse -- but he's a close reader, and his comments are always astute.
Ms. Watkins was earnest if not always astute, even urging that we seek counsel from public high school students on what they need adults to do to improve the schools.
Sanger was always astute about public relations, and she seized on the publicity of the trial to advance her causes.
Another member of the group announced that in her opinion Chang and Sparacino, regardless of their aesthetic differences, always had astute things to say.
A more interesting explanation was suggested by Paul Bowles – always an astute judge of Jane's work – in a 1971 interview with Oliver Evans, when he noted her ability "to see the drama that is really in front of one every minute – the drama that follows living".
Matteo Darmian has slotted seamlessly into defence and Morgan Schneiderlin has played with enough distinction during his three previous seasons in the Premier League that Jamie Carragher, always an astute judge, predicted the other day he would be the best transfer of the summer.
One of Sir Alex's other skills was to appoint the right coaches around him but he was always very astute tactically himself, and his knowledge was immense.
The only corollary to this is that sometimes letting "the people's will" prevail has been met with disastrous consequences, as my friend Diane Zeiger, always an astute observer of things political, points out.
"He was always very sartorially astute," she says.
