The phrase "be ears" can be understood as paying close attention or listening intently. Some synonyms for this phrase include being attentive, being alert, being mindful, and being observant. Being ears can also mean being receptive to feedback or suggestions from others. In this case, synonyms include being open-minded, being responsive, being willing to listen, and being adaptable. Overall, being ears involves actively engaging with what is happening around us, whether it is through listening, staying aware, or being receptive to new ideas and perspectives. Using synonyms can help expand our vocabulary and better understand the nuances of language.