undertrycka, kväsa bedeutet auf Englisch

stifle [stifled, stifling, stifles]▼(to keep in, hold back, or repress (something))
verb
[UK: ˈstaɪ.fəl] [US: ˈstaɪ.fəl]

strangle [strangled, strangling, strangles]▼(to stifle or suppress)
verb
[UK: ˈstræŋ.ɡl̩] [US: ˈstræŋ.ɡl̩]

suppress [suppressed, suppressing, suppresses]▼(to hold in place, to keep low)
verb
[UK: sə.ˈpres] [US: sə.ˈpres]

throttle [throttled, throttling, throttles]▼verb
[UK: ˈθrɒt.l̩] [US: ˈθrɑːt.l̩]

shut up▼(transitive: to stop (a person) from talking or (a person or thing) from making noise)
verb
[UK: ʃʌt ʌp] [US: ˈʃət ʌp]