The phrase "casts a shadow of doubt" is correct and usable in written English.
You can use this phrase when someone expresses doubt, suspicion, or uncertainty. For example, "The lack of evidence casts a shadow of doubt on the integrity of the investigation."
And it casts a shadow of doubt on Mr. Miller's capacity for self-restraint.
But it casts a shadow of doubt over his divisive tactics.
This official's involvement in the scandal "casts a shadow of doubt over the body responsible for receiving all votes," says Eduardo Stein, who is watching the election for the Organisation of American States.Mr Stein wants the government to guarantee a fair election.
The fact that the New Black Panther Party is a far-right organisation that frequently spreads a message of racial hatred casts a shadow of doubt upon what exactly it was they were teaching.
The fact that the New Black Panther Party is a far-right organization that frequently spreads a message of racial hatred casts a shadow of doubt upon what exactly it was they were teaching.
Although the correlative evidence around mitochondrial dysfunction and the development of metabolic diseases is overwhelming, some evidence casts a shadow of doubt on its causal role.
If Pittsburgh's lead holds, the unranked Hawkeyes would fall to 1-2 and cast a shadow of doubt on Kirk Ferentz's future in Iowa City.
They cast a shadow of doubt and distrust over a huge field, raising questions about who is covertly pushing which bill and supporting which candidate, and for which self-serving purposes.
The former Alcoa executive and Nixon and Ford administration budget expert also cast a shadow of doubt on Mr. Bush's contention that tax cuts are the right antidote to the looming economic downturn.
While the PR doesn't deny anything explicitly, it does cast a shadow of doubt.
In the 1979 referendum, the business sector played a significant role in casting a shadow of doubt over the then proposals for devolution.
