The phrase "astonishing background" is correct and usable in written English.
It can be used to describe someone's impressive or remarkable history, experiences, or qualifications.
Example: "Her astonishing background in neuroscience made her the perfect candidate for the research position."
Alternatives: "impressive background" or "remarkable background".
His mixed-race background and astonishing talent, coupled with the striking good looks and quiet resolve that have made him, at 23, a marketing dream, have led some to hail him, perhaps prematurely and even unfairly, as the Tiger Woods of motor racing.
Despite the Senate's astonishing inability to pass background checks in April, we also had some major wins at the federal level.
American satellites, including Mather's historic COBE mission in 1989, have already extracted astonishing insights from this Cosmic Microwave Background (CMB) radiation.
But then we hear the most revealing aspect of the brief and compelling recording: A BABY IS CRYING IN THE BACKGROUND!! Isn't that astonishing in its predictability?
(#9) Given this background, it is not astonishing that donors were affected by recipients' deaths: „The news made me very sad.
I find it astonishing that any British pensioner, whatever their background, who has lived, worked and paid UK tax their whole lives, is cut off by the present system if they make the choice to retire overseas.
Putting aside any favoritism that may have been at work, it's astonishing how one livestock hauler with his background was able to acquire such an extraordinary number of horses.
That's the kind of obscure but astonishing life story we keep glimpsing in the background.
These days you can also buy co-ordinating fabrics and paint as well as bedlinen and tableware, and in 2007-08 the company's revenues increased by 25 per cent, which against the background of the housing crash is astonishing.
