bottle
US /ˈbɑː.t̬əl/
UK /ˈbɑː.t̬əl/

1.
2.
reculer, lâcher
to lose one's nerve or courage; to back out of something.
:
•
He was going to ask her out, but he bottled it at the last minute.
Il allait l'inviter, mais il a reculé à la dernière minute.
•
Don't bottle out now, we're almost there!
Ne lâche pas maintenant, nous y sommes presque !