throw a wrench in the works (扔一把扳手进工作中)

Idiom Engineering

含义

to cause a problem that stops progress

制造一个阻止进展的问题 (zhìzào yīgè zǔzhǐ jìnzhǎn de wèntí)

例句

"The last-minute design change threw a wrench in the works."

"最后一分钟的设计更改扔了一把扳手进工作中。" (zuìhòu yī fēnzhōng de shèjì gēnggǎi **rēngle yī bǎ bānshǒu jìn gōngzuò zhōng**.)