The story of La Catrina goes back to Mexican folk traditions. It symbolizes both the acceptance and celebration of death as part of life. She's often depicted in elaborate and colorful outfits.
La Llorona in English translation is a haunting story. Essentially, it goes that a woman named La Llorona was once a loving mother. But due to some tragic events, perhaps related to a broken relationship or jealousy, she made a terrible choice. She drowned her kids in a fit of madness. Now, she roams near bodies of water, her cries echoing as a reminder of the horror she committed. It's a story that has been passed down through generations, and in English, it has allowed a wider audience to be exposed to this dark and tragic Hispanic legend.
One tip is to build a good vocabulary in both Visayan and English. This helps you find the most accurate equivalents. Another is to study the cultural nuances of Visayan. For example, certain traditions or beliefs in Visayan might need special handling in translation. Also, don't be too literal. For instance, if there's a Visayan expression that's very metaphorical, find an English metaphor that conveys a similar meaning.