The phrase "a source of mistrust" is correct and usable in written English.
You can use it when discussing factors or situations that lead to feelings of distrust or skepticism among individuals or groups.
Example: "The lack of transparency in the company's operations became a source of mistrust among the employees."
Alternatives: "a cause of distrust" or "a reason for skepticism."
That cold war relationship has been a source of mistrust but we are moving beyond that".
Relief groups said today that the 275,000 packets of food dropped in the country so far are at best a minor public relations gesture and at worst a source of mistrust.
And the close association among Saudi Arabia, Qatar and rebel groups has been a source of mistrust for government supporters inside Syria and others outside the country who fear the Islamic militants who have risen to prominence on the battlefield on the strength of financing from private donors in the gulf.
What is the guilt of this child to be burned by your fire?" Mounting tensions between Saudi Arabia and Iran have forced the US to reassure the Gulf monarchies that it has not abandoned them in its quest to strike a deal with the Islamic Republic, a source of growing mistrust believed to have led King Salman to stay away from the Camp David summit.
The possibility that a medicine might not be all that it seems is clearly a potential source of mistrust.
That gap is poisonous for democracy and pre-dates the expenses scandal as a major source of mistrust in the political process.
(The leak in the UK that David Cameron will one of the co-chairs of this panel before any announcement on other co-chairs or the terms of reference was a major source of mistrust in Rio).
He conceded that Greece's history of inaction on fiscal problems was the source of "mistrust".The downgrade pushed up the interest-rate spread on ten-year Greek bonds to 2.5 percentage points over German Bunds, the safest euro-zone credit.
In 2003 another survey found that 56% of people believed Muslims were more loyal to fellow believers abroad than to their own countrymen.The spectre of terrorism is only one source of mistrust; another is the belief that Asian Muslims make little effort to fit into British society.
As China's appetite to assert itself grows, that could easily become a source of dissatisfaction, which would feed the superpowers' mutual mistrust.
But he, too, emphasizes that Jewishness was never a simple or unitary identity, and he, too, mistrusts the Bible as a source of historical evidence.
