反悔

shì yǐ zhì cǐ bù kě fǎn huǐ

事已至此，不可反悔。

There is no turning back on this matter.

tā yòu fǎn huǐ le

他又反悔了。

He went back on what he had said.

yī yán wéi dìng jué bù fǎn huǐ

一言为定，决不反悔。

One should never go back on one's word.

zuì hǎo děng dào gèng hé shì de shí hou zài zuò chū bù néng fǎn huǐ de chéng nuò

最好等到更合适的时候再作出不能反悔的承诺。

It may well be worth waiting for better times before making any irrevocable commitment.

jǐ gè gǔ dōng duì yú xiān qián tóng yì de bào jià yòu fǎn huǐ le

几个股东对于先前同意的报价又反悔了。

Several shareholders have withdrawn earlier acceptances of the offer.