They were 'cowed' into silence by threats. [=they did not complain, publicly say anything, etc., because they had been threatened]
They'll be arguing about this 'till the cows come home'.
The football team was a 'cash cow' for the university.
(..) You don't know what's going on. Don't you remember? The little ones. Who grandfather helped with the calf twins. The cow breeder! Do you think he would hide Amos? What are you doing? Can't you see how mad Grandpa is? Agatha! It's not surprising. (..)1989 Dva lidi v zoo