创下 + Noun (record/milestone)
创下 (chuàngxià) means 'to set' or 'to establish' a record and is used when someone achieves a new high or milestone. It combines 创 (to create) with the resultative complement 下 (down/to fix in place). It is typically followed by a noun describing the record set.
她在比赛中创下了新的世界纪录。
tā zài bǐsài zhōng chuàngxiàle xīn de shìjiè jìlù.
She set a new world record in the competition.
这家公司去年创下了销售额的历史新高。
zhè jiā gōngsī qùnián chuàngxiàle xiāoshòu é de lìshǐ xīn gāo.
This company set a new historical high in sales last year.
他一个月内创下了三项全国纪录。
tā yí gè yuè nèi chuàngxiàle sān xiàng quánguó jìlù.
He set three national records within one month.