mettere in ginocchio bedeutet auf Englisch

bring to one's knees▼verb

stymie [stymied, stymieing, stymies]▼(to thwart or stump)
verb
[UK: ˈstaɪ.mi] [US: ˈstaɪ.mi]

take the wind out of someone's sails▼(to discourage someone)
verb