Il significato dell”espressione “to get cold feet” non ha nulla a che fare col suo significato letterale (“avere i piedi freddi”). In realtà significa “aver paura e tirarsi indietro all’ultimo momento”.
Es. James had been engaged for a year but on the day of the wedding he got cold feet
John was very enthusiastic at first about the idea of climbing Mount Everest with me but I think he’s getting cold feet now.