get cold feet
US /ɡɛt koʊld fiːt/
UK /ɡɛt koʊld fiːt/

1.
تراجع, خاف, جبن
to suddenly become too frightened to do something you had planned to do
:
•
He was going to ask her to marry him, but he got cold feet at the last minute.
كان سيطلب يدها للزواج، لكنه تراجع في اللحظة الأخيرة.
•
I was going to try bungee jumping, but I got cold feet when I saw the height.
كنت سأجرب القفز بالحبال، لكنني تراجعت عندما رأيت الارتفاع.