The phrase "a strange amount" is correct and usable in written English.
It can be used when describing a quantity or degree that is unusual or unexpected in a particular context.
Example: "She received a strange amount of attention for her artwork, far more than she anticipated."
Alternatives: "an unusual quantity" or "a peculiar sum".
As I opened my box, I noticed a strange amount of grease leaking onto my desk.
"If you do find that a strange amount of money that you are not expecting arrives in your account, then don't book the holiday, don't buy the car, I think the best thing to do is to contact your own bank," she said.
"I know you are, but what am I?" -Batman Christopher Nolan's "Batman" films have attracted a strange amount of attention for something most movies don't -- dialogue mixing.
There's a strange amount of excitement going on about these, but we wonder if it is sheer amazement or sheer horror.
I had a strange amount of extra time to make that decision too, because when the train pulled into the station it just sat there, doors open and waiting.
Like actors, journalists often end up knowing strange amounts about niche areas.
In India, we have a strange mix of great amounts of transparency and very little accountability when it comes to surveillance and intelligence agencies.
Requiring that policies be constructed along proportional ethnic lines would amount to a strange quota system that defied sad, but inescapable, realities.
Fellini's films amount to a strange and spectacular autobiography, magnifying their ostensible subjects — such as the city, or the provinces — while sometimes also reimagining them according to mysterious and personal dictates.
It is simply that he sees no reason for wilful inaccessibility, displays of pseudo-scholarly ingenuity and what seems to amount to a strange dislike of literature.These worries emerge as essay builds on essay and the emphasis on enjoyment makes itself felt: hence the title.
The presence of another person derails my thoughts; I dream of the other's presence with a strange absent-mindedness that no amount of my analytical scrutiny can define.' This very scrutiny, moreover, is fraught with danger: 'To understand, I destroyed myself.
