move the goalposts (móu vù zé gǒu lù pò sī tè sī)

Idiom Negotiation

含义

to change the rules or conditions to make success harder

改变规则或条件使成功变得更加困难 (gǎi biàn guī zé huò tiáo jiàn shǐ chéng gōng biàn dé gèng jiā kùn nán)

例句

"They moved the goalposts after we had agreed on the terms."

"他们在我们已经达成条款后移动了球门。" (tā men zài wǒ men yǐ jīng dá chéng tiáo kuǎn hòu **yí dòng le qiú mén**.)