反悔的英文：
cop out on

参考例句：

The decision has been made and is irrevocable.
木已成舟已作出决定，无法反悔

You can't go back on that, you've decided, the decision was made.
你就不能反悔了，已成定局了，木已成舟了。

Several shareholders have withdrawn earlier acceptances of the offer.
几个股东对于先前同意的报价又反悔了。

Neither side can draw back from the agreement once the contract is signed.
合同一旦签订，任何一方都不准反悔。

To refuse baptism and to retract after baptism were crimes punishable by death
凡拒绝受洗和受洗后反悔的都以死刑论罪。

By breaking every pledge -- by his deceptions, and by his cruelties -- Saddam Hussein has made the case against himself
用欺骗和残忍手段反悔自己的承诺，萨达姆已经站到了人们的对立面。

Gudrun is rather self-opinionated. She won't go cheap anywhere. Or if she does, she'll pretty soon take herself back
古娟相当固执己见，她不会低声下气地随便屈就。既使她屈尊低就了，她也会很快反悔的。

cop是什么意思：
n. 【口】警察
v. 攫，抓，获，赢；买

He is a bent cop.
他是个坏警察。

Mafia Cop: The Story of an Honest Cop Whose Family Was the Mob
黑手党警察：一个出身黑帮之家的可敬警察的故事

The cop ran and jumped to catch the thief.
警员跑上去一跃，抓住了小偷。

The driver was trying to grease the hand of the cop, But he was refused
那个司机企图收买警察,却被警察拒绝了

As soon as the man started to flash, he was caught by cops.
这名男子一开始做猥亵的动作就被警察抓了。

out是什么意思：
adv. 出外；在外；离岸；出现；问世；大声地；完全；用完；不流行
adj. 外侧的；偏僻的
prep. 通过…而出；沿着…而去
n. 借口，托辞
pref. 外，超过，出，向外

be out for the count
拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败

Out of the Blue
从天上掉下来

Out of power, he is out of favour.
当他失去权力之后，他也就不再受人欢迎。

One that is out, especially one who is out of power.
在野者在外的人，尤指政治上的在野派。

"Out of office, out of danger"
无官一身轻