Chinese phrase
可以把截止日期改到〜吗？ ké yǐ bǎ jié zhǐ rì qī gǎi dào 〜 ma
Meaning
Could the deadline be changed to ___?
When to use it
It asks politely whether a deadline can be moved to a date. It suits formal requests when a different date is needed.
Example dialogue
老师，可以把截止日期改到下个月15号吗？ lǎo shī ké yǐ bǎ jié zhǐ rì qī gǎi dào xià gè yuè 15 hào ma
Professor, could the deadline be changed to the 15th of next month?
抱歉，那天不行，能不能改到下个月20号？ bào qiàn nà tiān bù xíng néng bù néng gǎi dào xià gè yuè 20 hào
Sorry, that date will not work. Could it be changed to the 20th of next month?