zusammenhauen означает в английский

beat up▼verb
[UK: biːt ʌp] [US: ˈbiːt ʌp]

knock up▼verb
[UK: nɒk ʌp] [US: ˈnɑːk ʌp]

smash up▼verb
[UK: smæʃ ʌp] [US: ˈsmæʃ ʌp]

beating up▼