chicken out

US /ˈtʃɪk.ɪn aʊt/
UK /ˈtʃɪk.ɪn aʊt/
"chicken out" picture
1.

退縮, 臨陣脫逃, 打退堂鼓

to decide not to do something because you are too frightened

:
I was going to try bungee jumping, but I chickened out at the last minute.
我本來要去嘗試蹦極,但最後一刻我退縮了
He was going to ask her out, but he chickened out.
他本來要約她出去,但他退縮了