If you are free, give me a hand. ✬

A student raised his hand when the teacher finished the reading. ✬

Raise your right hand. ✬

My right hand is numb. ✬

On the one hand he is kind to everyone, but on the other hand he never behaves with too much familiarity. ✬

On the one hand we suffered a heavy loss, but on the other hand we learned a great deal from the experience. ✬

Raise your hand if you understand it. ✬

Mary has a flower in her hand. ✬

The thief was bound hand and foot. ✬

Tom can't swim at all. On the other hand, he is a good baseball player. ✬