The phrase "a sharp character" is correct and usable in written English.
It can be used to describe someone who is intelligent, perceptive, or has a strong personality.
Example: "Her sharp character made her an excellent leader, always quick to analyze situations and make decisions."
Alternatives: "a keen personality" or "a witty individual".
He praised co-star Sheridan Smith in comparison, describing how: "Sheridan is extremely good at all that stuff, which works in a similar way to the script, in that she's a very bright, sharp character and Creek's a bit rusty and hasn't really been doing it for a while.
In this case, it would be George Osborne, a more ideologically sharp character than his friend at Number 10.
This isn't the perfectly weighted, low-effort gearbox of a BMW, but it has its own sharp character, with a very easy clutch so engaging a gear, whether downshifting in a hurry to pass or upshifting lazily on the freeway, is always positive and missing a shift is a rarity.
The play, which opened last night in the snug quarters of Playwrights Horizons Studio Theater, is forcefully directed by Marion McClinton and performed by an ensemble that provides several sharp character turns.
"Two arched curves are the key theme behind I-Oniq, creating a strong and playful contrast between sharp character lines and soft but muscular features," Thomas Burkle, Hyundai's chief European designer, said in introducing the car.
Cooley has a lighter touch, but he's equally concerned with how men render life tolerable ("Self Destructive Zones," "A Ghost to Most," and the quick, sharp character study "Bob").
Sharp character transitions seem to lack a clear line of motivation between episodes: one must suspend reality in the Empire universe and embrace the ribald absurdity.
I admired, too, the sharp character sketches.
Sharp character lines define the hood and front fenders.
