The phrase "a shaky performance in" is correct and usable in written English.
It can be used to describe a performance that is unstable, uncertain, or lacking confidence in a specific context, such as a presentation, sports event, or artistic performance.
Example: "The actor delivered a shaky performance in the lead role, struggling to connect with the audience."
Alternatives: "an unstable performance in" or "a wobbly performance in".
He followed his one strong performance this season, a 2-0 shutout in Washington on Oct. 16, with a shaky performance in a 4-0 defeat at New Jersey on Saturday.
Shanahan hoped that Beck would be able to start in Week 1, but a shaky performance in the final preseason game forced Shanahan to name Grossman the starter less than a week before the season began.
VIKINGS 23, COWBOYS 14 Brooks Bollinger shrugged off a shaky performance in Seattle by throwing for 109 yards and a touchdown in just under two quarters of host Minnesota's victory over Dallas.
Hickenlooper, a former governor of Colorado, arrived just days after a shaky performance in a nationally televised town hall.
Tagovailoa had a shaky performance in the Southeastern championship game and another late-charger, Ohio State quarterback Dwayne Haskins, passed for 499 yards and five touchdowns in the Big Ten title game.
After a shaky performance in Wednesday's Republican debate in Mesa, Arizona, Rick Santorum did something rare for presidential candidates in his situation: He walked into the "spin room," the raucous space where campaign advisers ply reporters with reasons why their candidate won the debate.
But with the Dow down 216 points as I write, after a slightly shaky performance in the previous week, it does seem as if there has been a modest change in mood.
This toughness was in surviving a shaky performance and the din of 19,763 Knicks fans chanting in their ears.
That includes a run, two hits and two walks in a shaky performance Monday that followed two command performances.
"This interview is over!" A Shaky Performance "Sleep No More," the interactive play that takes place over several stories of a converted warehouse building in Chelsea, is spooky.
Lewis (33-1) is coming off a shaky performance against Shannon Briggs on March 28.
