I always keep a pen at hand.

He handed me a book.

Please hand in your assignment by Friday.

Your belongings are in good hands with our professional movers.

She is hands down the best singer in the competition.

They hold hands while walking in the park.

They link hands while walking in the park.

Please hand over the documents to the receptionist.

On the one hand, I want to go on vacation, but on the other hand, I have a lot of work to do.