Hayley教口語，“打退堂鼓”用英語怎么說？

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Cold feet is a phrase which refers to a person not going through with an action, particularly one which requires long term commitment, due to fear, uncertainty, and doubt. A person is said to be "getting cold feet" when, after previously committing to a plan, they ultimately do not carry out the planned course of action.

Cold feet(臨陣退縮)指一個人因為恐懼、不確定和懷疑而沒有完成某項行動，尤其是需要長期投入的行動。當一個人在之前承諾了一個計劃之后，最終卻沒有執(zhí)行計劃中的行動時，我們就說他get cold feet。

據說，這個表達來源于軍隊，冬天天氣冷，有士兵就以腳被凍住了為理由不上場作戰(zhàn)。后來啊，演變成在重要場合臨陣退縮的意思。

My friend got cold feet before the exam.

我的朋友在考試前打退堂鼓了。