Chinese phrase
可以〜材料吗？ ké yǐ 〜 cái liào ma
Meaning
Can I ___ the materials?
When to use it
This is a polite way to ask for permission to do something. It is common in requests when permission is needed to use, borrow, or copy something.
Example dialogue
请问，可以复印这份材料吗？ qǐng wèn ké yǐ fù yìn zhè fèn cái liào ma
Excuse me, can I copy these materials?
可以，不过请注明出处和作者。 ké yǐ bú guò qǐng zhù míng chū chǔ hé zuò zhě
Sure, but please include the source and author's name.