［词语］till the cows come home

until the cows come home

when the cow comes home

［含义］无限期地；永远地；从来不；决不

［趣释］【物象喻指】根据奶牛（cows）的习性，当它们从牧场被赶回家挤JYAwbA/kzOAGUz（试读）...