nail down (内尔 当)

Idiom Architecture

含义

to make something definite or certain

使某事确定或明确 (shi mou shi queding huo mingque)

例句

"We need to nail down the details before signing the contract."

"在签合同之前,我们需要确定细节。" (zai qian hetong zhiqian women xuyao queding xijie)