The project has been tied up in political and legal 'knots' for years. [=nothing has happened with the project for years because of political and legal problems]
The mayor 'tied himself in knots' answering a touchy political question. [=he answered it in a confused or unclear way]
She 'knotted' a sweater around her shoulders. [=tied the sleeves of the sweater together around her shoulders]
(..) - He was here a couple of Wednesdays ago. Remember? - No. - Yeah, he was wearing a green cable knit sweater vest, and a new pair of Quarterway slacks. Oh, and a Paisley tie, sweet Windsor knot. - Real tight. Remember that, Nangi? - No. Yeah, and we both walked him out, and he got into this (..)2016 Zootopia