The phrase "a somewhat shaky" is correct and usable in written English.
It can be used to describe something that is unstable, uncertain, or lacking in confidence or reliability.
Example: "The presentation was a somewhat shaky attempt to explain the complex topic, leaving the audience confused."
Alternatives: "a rather unstable" or "a slightly uncertain".
It might be fair to say that his parental legacy was a somewhat shaky one.
In spite of a somewhat shaky start, the union proved enduring and happy.
At right tackle, Jammal Brown is coming off a somewhat shaky season and has not been the same mauler he was prior to developing hip problems.
Here I make a somewhat shaky approach through the Philippe Starck-designed lobby and under sparkling chandeliers to the only Michelin-starred Italian restaurant in Paris Ill Carpaccio.
Despite a somewhat shaky start with audiences, "Six Feet Under," the HBO series about a family in the mortuary business, became a hit on Sunday nights this summer.
John Bercow has became the first Speaker of the Commons to address the TUC, treating trade union delegates to a somewhat shaky impression of the late Tony Benn.
But a somewhat shakier Trachsel has emerged.
"Who am I? Why, I am Deanna, your granddaughter," she replied in a perplexed and somewhat shaky voice.
If anyone has a claim to the somewhat shaky crown that comes with the title National Treasure, it is Nicholas Parsons.
With a national election in Britain expected at the beginning of May, Prime Minister Tony Blair Tony Blair has been attempting to bolster his somewhat shaky personal popularity with a number of appearances on daytime and popular audience-participation shows.
Even as antigovernment protesters in Yemen struggled to revitalize their movement, sketching somewhat shaky plans over the weekend for a transitional government, they produced a show of their core strength, taking to the streets in huge numbers on Sunday to protest the rule of President Ali Abdullah Saleh.
