Chinese phrase
我可以把〜改成〜吗？ wǒ ké yǐ bǎ 〜 gǎi chéng 〜 ma
Meaning
May I change ___ to ___?
When to use it
It politely asks whether one thing can be changed to another.
Example dialogue
国际学生处，我可以把签证面试改成下周一上午吗？ guó jì xué shēng chù wǒ ké yǐ bǎ qiān zhèng miàn shì gǎi chéng xià zhōu yí shàng wǔ ma
International Student Office, may I change my visa interview to next Monday morning?
可以，但需先申请获批。 ké yǐ dàn xū xiān shēn qǐng huò pī
You may, but you must apply and receive approval first.