Chinese phrase
可以借用〜吗？ ké yǐ jiè yòng 〜 ma
Meaning
May I borrow ___?
When to use it
It politely asks to borrow something for a short time. It is a common everyday request for temporary use of another person's item.
Example dialogue
不好意思，可以借用一下你的移动电源吗？ bù hǎo yì si ké yǐ jiè yòng yí xià nǐ de yí dòng diàn yuán ma
Excuse me, may I borrow your power bank for a moment?
可以，给你用，不过用完记得还我。 ké yǐ gěi nǐ yòng bú guò yòng wán jì de huán wǒ
Sure, here you go, but remember to return it when you're done.