Rogar means 'to beg' or 'to plead'. It's a very strong, emotional word that implies a sense of desperation.
In the song, the artist asks, "¿Por qué te haces la del rogar?" This is a popular phrase that translates to "Why are you playing hard to get?". He's expressing his frustration that she is making him 'beg' for her attention, adding a layer of drama and cultural nuance to this heartbreak anthem.
Ever been left on read? That's the feeling at the heart of Eslabon Armado's song "Dime." The singer is completely lost because his girlfriend has gone cold. He's asking, "¿Por qué no respondes los textos, baby?" (Why don't you answer my texts, baby?). He wants to know what went wrong, pleading, "Dime / Si te traté mal, dime" (Tell me / If I treated you badly, tell me). It's a direct and painful plea for answers from someone who seems to have already checked out of the relationship.
He feels like he gave it his all, saying "Yo traté de hacerte muy feliz / Pero terminé sufriendo" (I tried to make you very happy / But I ended up suffering). He thinks she just wants "esa vida loca" (that crazy life) and doesn't care about his feelings. But even though he says "Eres bien mala conmigo" (You're really mean to me), he's still completely devoted. He says he can't live without her and prays to God for her to come back, believing their love "ya estaba escrito" (was already written). It's a classic case of a heartbroken person who just can't let go.