1To borrow something (from someone): to receive and use another's item or money temporarily.
図書館でその本を借りることができます。
You can borrow that book from the library.
新しいドレスを式のために友達から借りた。
I borrowed a new dress from a friend for the ceremony.
お金を少し借りてもいいですか？来週には返します。
May I borrow some money? I'll repay you next week.
2To rent or hire something (e.g., a room, vehicle) — to take temporary use of something for a fee.
週末はレンタカーを借りてドライブに行く予定だ。
This weekend I plan to rent a car and go for a drive.
引っ越しの間、倉庫を借りることにした。
I decided to rent a storage unit during the move.
3To make use of someone's help, knowledge, or resources; to obtain or receive assistance or advantage from someone.
彼の経験を借りてプロジェクトを進めた。
We moved the project forward by drawing on his experience.
先輩のアドバイスを借りれば、うまくいくと思う。
I think it will go well if we make use of the senior's advice.
4To make use of something intangible — a name, an occasion, someone's strength — as if borrowing it, often in fixed expressions like この場を借りて (using this occasion to...) or 名前を借りる (to use someone's name).
この場をお借りして、日頃の感謝をお伝えしたいと思います。
I'd like to take this opportunity to express my gratitude.
彼は友人の名前を借りて会員登録をした。
He used his friend's name to register as a member.