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

1.
mendadak takut, mengurungkan niat
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.
Dia akan melamarnya, tapi dia mendadak takut di menit terakhir.
•
I was going to try bungee jumping, but I got cold feet when I saw the height.
Saya akan mencoba bungee jumping, tapi saya mendadak takut ketika melihat ketinggiannya.