The phrase "banging away at" is often used to describe persistent effort, often focused on a task that requires repetition or endurance. Some antonyms for "banging away at" could include "sitting idle," "taking a break," or "giving up." Alternatively, antonyms could include phrases that describe a more measured or thoughtful approach, such as "deliberately analyzing," "carefully considering," or "strategically planning." It's important to consider context when selecting antonyms, as the most appropriate option will depend on the specific situation in which the original phrase was used. Regardless, antonyms for "banging away at" suggest a need for rest, reflection, or a fresh approach.