Antonyms for the idiom "twist one's arm" primarily revolve around phrases that imply a lack of pressure or coercion. Some possible opposite expressions include "leave to one's discretion," "offer without insistence," "gracefully defer to someone else's choice," or "present as an option with no strings attached." In essence, the antonyms for "twist one's arm" imply an atmosphere of mutual respect, where people communicate freely and collaborate, rather than one person driving a decision or action. These expressions promote a sense of agency and empowerment, as people make choices based on their own desires and reasoning, rather than external demands or manipulation.