back out
back out — 片語動詞
- back outbase form
- backs out3rd person singular
- backing out-ing form
- backed outpast simple
1. to break a previous agreement or fail to keep a promise, typically at a point wh
退縮；食言
取消先前的承諾或約定
to break a previous agreement or fail to keep a promise, typically at a point where other people are already relying on you to follow through
Mauricio agreed to help with the event but backed out the night before it started.
Mauricio 本來答應要幫忙活動，但在活動前一晚退縮了。
back out + without 'of' when the commitment is already clear from context
Maja backed out of her promise to drive the children to school every morning.
Maja 食言了，沒有每天開車送孩子去上學。
back out of + promise / agreement / plan
Omar backed out of leading the team, so the coach had to find a last-minute replacement.
Omar 退出帶隊的工作，教練只好臨時找人替代。
It is unfair to back out after everyone else has already booked their flights.
在大家都已經訂好機票之後才反悔，這樣很不公平。
Bao made a dinner reservation but backed out, so the restaurant gave the table away.
Bao 訂了晚餐但臨時取消，餐廳就把位子讓給了別人。
- pull out
more neutral, common in competitions and informal arrangements
- withdraw
more formal, used in official or professional contexts
- renege (on)
stronger negative tone, specifically about breaking a promise or contract
- follow through
to continue with what was promised until completion
- go through with
to carry out a plan as originally agreed
文法句型
back out + of + noun phrase
用法筆記
Usually takes the preposition 'of' before the specific commitment ('back out of a deal/promise/plan'). When the commitment is clear from context, 'of' can be dropped: 'He said he would come but backed out.'
常見錯誤
2. to withdraw from a formal or financial commitment such as a contract, competitio
退出
退出合約、比賽等正式安排
to withdraw from a formal or financial commitment such as a contract, competition, or agreed course of action, typically after initial agreement or participation has begun
Owen backed out of the tournament after his doctor told him to rest his injured shoulder.
Owen 聽從醫生的建議，退出了比賽，讓受傷的肩膀好好休息。
back out of + competition / tournament / contest
The buyer backed out of the deal when the house inspection revealed serious foundation problems.
買方在看屋後發現地基有嚴重的問題，於是退出了這筆交易。
Quan backed out of the contract after realising the payment terms were not what he had agreed to.
Quan 發現合約上的付款條件跟他原先同意的不一樣，就退出了合約。
If you back out of this agreement now, you will lose the deposit you already paid.
如果你現在退出這份協議，你就會損失已經付的訂金。
Several sponsors backed out after the charity was accused of mismanaging its funds.
好幾家贊助商在該慈善機構被指控不當管理資金後，紛紛退出。
- commit to
to formally agree to participate or proceed
- see through
to continue with something until it is finished
文法句型
back out + of + noun phrase
用法筆記
Frequently used in business, legal, and competitive contexts. The commitment is typically a formal arrangement with consequences for withdrawal — contrast with Sense 1, where the commitment is usually personal or social.