The phrase "a complex and fragile" is correct and usable in written English.
It can be used to describe something that has intricate details or structures while also being easily damaged or vulnerable.
Example: "The ecosystem is a complex and fragile web of interdependent species that requires careful management."
Alternatives: "a delicate and intricate" or "a complicated and vulnerable".
Any big hospital is a complex and fragile mechanism.
Risky material only adds to the degree of difficulty in what is already a complex and fragile art form.
The brain is a complex and fragile organ which can be damaged by traumatic injury, tumors, neurodevelopmental disorders, neurodegenerative disorders, vascular lesions and many other causes.
He added: "There is a complex and fragile mosaic of strategic capability which allows us to discover, to process, to investigate and then to take action.
They could tip the city into a decline without even noticing it, for the ecosystem of a great city is a complex and fragile thing.In this section A precarious brilliance Caveat emptor.com Don't give up Protectionism alert Impeachment, Paraguayan-style ReprintsDe profundisLondon has resisted Britain's relative decline.
The vervet monkey has a complex and fragile social system, and persecution of the monkeys is thought to have affected troop structures and diminishing numbers.
"The prevailing system of arms control agreements is a complex and quite fragile structure," Mr. Ivanov said.
"UNICEF continues to innovate … in order to achieve the right results – and the best results – for children within an increasingly complex and fragile world".
Finally, on March 26, just days before the end of the first quarter, the accountants found a way to refinance the Raptors, using a series of complex and fragile transactions that were still vulnerable to further declines in Enron's stock price.
The result is the U.S. stock market that stands before you today, a system so complex and fragile that individual market participants can cause extreme instability and even crash the entire market.
If generally small and well preserved objects are directly recovered during an archaeological excavation, this time an indirect extraction has been carried out: as the find, part of the grave-good, was quite complex and fragile, a large soil block with dimensions 40 × 15 × 10 cm3 has been removed (Figure 1).
