The phrase "amount of difficulties" is correct and usable in written English.
It can be used when discussing the quantity or extent of challenges or obstacles faced in a situation.
Example: "The project faced a significant amount of difficulties due to unforeseen circumstances."
Alternatives: "number of difficulties" or "level of difficulties".
Yet out of some 158,000 species of Diptera, just "a few dozen species of flies are causing an immense amount of difficulties," he said.
Although hormones are extremely similar in structures and they have a lot of metabolites, which create a great amount of difficulties in the preparation of antibodies, it has been reported that the proposed method for EH and TH can realize testing of E and testosterone at the same time [98].
Items 2 5 and 9 10 had an ICC of 0.75-0.86, whindicatesates very good reliability (items 5 and 10 concerning the amount of difficulties experienced).
Most people who have great building skills have a fair amount of difficulty with the completion.
"We had an incredible amount of difficulty tracking down who invented the clock radio," he said.
A certain amount of difficulty has been removed, and so things can happen with a dreamlike speed.
I hope that your future accomplishments will come, as this one has, your graduating from this school, with a certain amount of difficulty.
"Average people encounter a huge amount of difficulty," said David Blumenthal, a former national coordinator for health information technology for the Obama administration, now president of the Commonwealth Fund.
This form is popular in the United States and in public libraries generally and probably presents the least amount of difficulty for the general or casual reader.
And this is an example that often causes a slight amount of difficulty because it seems like when you look at it ought to be.
One thing I did not realize that caused a considerable amount of difficulty was that PORTB.4 7 are used for interfacing with the flash.
