bottle out

US /ˈbɑː.t̬əl aʊt/
UK /ˈbɑː.t̬əl aʊt/
"bottle out" picture
1.

退縮, 打退堂鼓

to lose one's nerve and decide not to do something

:
He was going to ask her out, but he bottled out at the last minute.
他本來要約她出去,但最後一刻退縮了
Don't bottle out now, you've come too far!
現在別退縮,你已經走了這麼遠了!