Tied one up in knots(idiom)
To confuse someone.
Hindi meaning:किसी को भ्रमित करना
Synonyms: Worry, Panic, Fret, Puzzle
Antonyms: Simplify, Clear, Systematic
Example: The Director of Studies tied me up in knots by asking tricky questions.
Trick to remember: Sabi is knots ko lekar Tied one up in knots hai. 
