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

1.
membuat seseorang bingung, membuat seseorang sangat cemas
to confuse someone or make them feel very worried or anxious
:
•
The complicated instructions really tied me up in knots.
Instruksi yang rumit benar-benar membuat saya bingung.
•
The thought of the exam is tying her up in knots.
Pikiran tentang ujian membuatnya sangat cemas.