Chinese phrase
我可以提前〜吗？ wǒ ké yǐ tí qián 〜 ma
Meaning
May I move ___ earlier?
When to use it
This asks politely whether something can be done earlier. It is often used when asking to change a planned time for travel, an appointment, or another activity.
Example dialogue
请问，我可以提前出发吗？ qǐng wèn wǒ ké yǐ tí qián chū fā ma
Excuse me, may I leave earlier?
可以，不过请提前告诉我们具体时间。 ké yǐ bú guò qǐng tí qián gào sù wǒ men jù tǐ shí jiān
Yes, but please let us know the exact time beforehand.