You can't teach an old dog new tricks You cannot teach an old dog new tricks. you can't be half pregnant. you can't be too careful. you can't bluff a bluffer. You can't expect me to believe that. you can't go home again. you can't go wrong. you can't have your cake and eat it. read more
you can't teach an old dog new tricks in Culture You can't teach an old dog new tricks People who have long been used to doing things in a particular way will not abandon their habits. read more