My arms ache from carrying this bag.
She put/threw her arms around me, and hugged me to her.
He took/held her in his arms.
I've a Tennis racket that I bought a year ago. I want to sell it because I've broken my arm. (Key English Test; A2; Italian)
The chair didn't have any arms.
It appears to me that the leather covering the left arm of the sofa has been pierced with some sharp object. (International English Language Testing System; C2; Marathi)
They walked through the park, arm in arm.
We often walked around the playground arm in arm. (Certificate of Proficiency in English; C2; Korean)
I always had the feeling she was keeping me at arm's length.
At first she keeps them at arm's length, but Mr. Emerson is direct and advises Lucy to behave in a more natural way instead of doing what some old ladies say. (Certificate of Proficiency in English; C2; Italian)