The expression "give ears" is often used to mean "listen carefully" or "pay attention to". There are many synonyms that can be used to convey the same meaning, such as "heed", "attend", "tune in", "focus on", "concentrate on", "give heed to", "give attention to", "be all ears", "keep an ear out", and "be attentive". These synonyms can be used in various contexts, from listening to a lecture or a conversation to following instructions or advice. By using these different synonyms, we can add variety and nuance to our language and communicate more effectively with others.