The phrase "listen at" can be expressed using a variety of synonyms. Some of these include "hear from," "pay attention to," "be attentive to," "heed," "take note of," "keep an ear out for," "be all ears," "tune in," "eavesdrop," "spy," and "monitor." Whether you're trying to encourage someone to listen carefully to important instructions, or simply hoping to remind yourself to be attentive to your surroundings, using different synonyms can help to convey your message more effectively. So the next time you need to get someone's attention, or you're struggling to stay focused on a task, try mixing up your vocabulary and see which phrase works best for you.