Idiom of the day :- Tie oneself in/into knots

Usage, examples and definition of the Idiom :-

‘It was easy getting out of this basket when my master played simple tunes,’ Sidney grumbled, ‘but these complicated new melodies of his tie me into knots !’ Sidney is complaining for to tie oneself in/into knots is to be — or cause someone to be — confused and bewildered.