The phrase "a downfall in the" is correct and usable in written English.
It can be used to describe a decline or deterioration in a specific area or aspect, often followed by a noun that specifies what is experiencing the downfall.
Example: "The company experienced a downfall in the quality of its products, leading to a loss of customer trust."
Alternatives: "a decline in the" or "a drop in the".
In September 2010 Urban Splash placed the pier up for sale, citing a downfall in business caused by the recession as their reason.
It could, she says, be a bit of a downfall in later life, but the thing about living on your own is you get used to it.
The inability to budge or compromise will be a downfall in your relationship if you let it.
We found that the spread of information displays two distinct decay regimes: a rapid downfall in the first month after publication, and a gradual power law decay afterwards.
In vivo experiments with different concentrations of MiTI in artificial diet (0.5, 1.0, and 1.5% w/w) showed an effective downfall in the larval body weight and an increase in larval mortality.
Camouflage can actually blend in quite well on some maps if you're prone in the shade and bushes, an example of a map like that would be Downfall in the trenches.
This four-minute video, available on YouTube, is one of hundreds of goofy edits to the English subtitles of a powerful scene from a 2004 German-language movie titled "Downfall" in the United States.
United played a part in their own downfall in the 66th minute when Sean Dillon was drawn into bringing down Jim O'Brien in the penalty area.
It would have been rare to see him smile, and he did not seem to be on the chief executive path, said Ken Auletta, the author of a book about Lehman's downfall in the 1980s called "Greed and Glory on Wall Street".
A semi-serious look at their downfall in the mid to late-1960s, the violence and cruelty is just the right side of cartoon, and the suits and one-liners sharp enough to hammer home the pop culture icons tag.
