Definition
To fail to do something due to fear or a lack of courage; to lose one's nerve and not proceed with an intended action.
（因害怕而）不做某事；（因害怕而）在某事上失敗。
He should have raised the issue at the meeting, but he bottled it.
他應該在會議上提出這個問題，但他退縮了。
She could have won the race, but she bottled it at the last minute.
她本可以贏得比賽，但她在最後一刻退縮了。
He had a perfect opportunity to speak up, but he bottled it due to nerves.
他有一個完美的機會發言，但他因為緊張而退縮了。