wrap someone around your little finger
US /ræp ˈsʌm.wʌn əˈraʊnd jʊər ˈlɪt.əl ˈfɪŋ.ɡər/
UK /ræp ˈsʌm.wʌn əˈraʊnd jʊər ˈlɪt.əl ˈfɪŋ.ɡər/

1.
iemand om zijn vinger winden, iemand volledig beheersen
to have complete control over someone and be able to persuade them to do anything you want
:
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She can wrap him around her little finger; he'll do anything she asks.
Ze kan hem om haar vinger winden; hij zal alles doen wat ze vraagt.
•
My youngest child always manages to wrap me around her little finger to get what she wants.
Mijn jongste kind weet me altijd om haar vinger te winden om te krijgen wat ze wil.