tie someone (up) in knots
US /taɪ ˈsʌm.wʌn ʌp ɪn nɑːts/
UK /taɪ ˈsʌm.wʌn ʌp ɪn nɑːts/

1.
يربك شخصاً, يجعل شخصاً قلقاً جداً
to confuse someone or make them feel very worried or anxious
:
•
The complicated instructions really tied me up in knots.
التعليمات المعقدة حقاً أربكتني.
•
The thought of the exam is tying her up in knots.
فكرة الامتحان تربكها.