The phrase "are overly complex and" is correct and usable in written English.
It can be used to describe something that is unnecessarily complicated or intricate, often in a negative context.
Example: "The instructions provided are overly complex and difficult to follow, leading to confusion among the users."
Alternatives: "are excessively complicated and" or "are too intricate and".
Many government documents are overly complex and unclear, he says.
Even if it's from HMRC who are big and scary". Many government documents are overly complex and unclear, he says.
Mallory Duncan, the federation's general counsel, said in a short phone interview that surcharge rules in the settlement are overly complex and favorable to the card industry.
They say, among other things, that when it comes to the city's children, the governor and the Legislature have not met their obligation under the State Constitution to provide a sound education, and that the state's formulas for distributing aid to school districts are overly complex and based on political deals rather than need.
In some cases, simpler is better, and financial products that don't serve their purported function, are overly complex and opaque, and have potential interconnection and systemic risks, should be questioned.
I consider myself to be a somewhat intelligent person, but when someone explains a new concept to me in terms that are overly complex and unfamiliar, I struggle to easily grasp it.
But the current system is overly complex and unchanged since the 1940s.
His claim that a true local income tax would have been "overly complex and burdensome to collect" is rubbish.
The legislation is overly complex and uneven, resulting in weak to nonexistent supervision of certain activities and excessive regulation of others.
For years, Microsoft has tried to have manufacturers use its operating system for smartphones, Windows Mobile, which analysts generally think is overly complex and too difficult for consumers.
The current £7billion a year system of tax credits, free nursery hours, childcare vouchers and child benefit is overly complex and wasteful.
