1to borrow
2(used in combination with 給|给 or 出 etc) to lend
3to make use of; to avail oneself of
4(sometimes followed by 著|着) by; with
Examples
wǒ我xiǎng想wèn问nǐ你jiè借wǔ五shí十yuán元。
我想问你借五十元。
I would like to borrow fifty dollars from you.
可以借你的电话用用吗?
May I use your phone?
我想借你的笔记用一下。
I'd like to borrow your notes for a bit.