The phrase "knotty points" is correct and can be used in written English.
It refers to complex or difficult issues or matters. Example: The discussion about the proposed changes to the company's policies became heated as they delved into the knotty points of employee benefits and compensation structures.
He's more like the dizzy sidekick in an old-fashioned thriller, who asks the detective to explain some knottier plot points: "Tell me what an option is?
He called Pat Kiernan, the forty-three-year-old Canadian anchorman on NY1, and the go-to man for directors who need a newscaster to explain a knotty plot point to moviegoers.
This is potentially a knotty problem, but a few points seem to suggest that Wales's concerns are overdone.
Organized by the Association of Professional Working Parents, the evening was an opportunity to use the much-talked-about book and film as a starting point for tackling knotty work-life balance issues.
He detailed his capture and torture slowly, taking time to point out each of the seven bullet wounds that have left knotty scars from his head to his abdomen.
To that end, Michelle Goldberg at The Daily Beast points out some possible knotty implications for other Republicans who may be weighing the tactical pros and cons of following Bachmann's lead: It will be curious to see how other candidates respond.
Under Mr. Trump, who values personal loyalty over capability or principle, acting appointees have every reason to cater to his whims and forsake the knottier problems that won't earn brownie points in the White House.
This fact can present some knotty epistemological challenges, as the University of Cambridge physicist Adrian Kent pointed out in an essay last year.
Professor Hays agrees, pointing out that in his house in Truro the knotty pine boards are carefully joined to create the flush surfaces characteristic of modern architecture.
