"Study at ravage" may seem like an unusual phrase as ravage typically implies destruction and chaos. However, there are various synonyms that can be used to convey the same idea. "Explore intensively," "examine thoroughly," "scrutinize closely," and "analyze deeply" are all phrases that can be used in place of "study at ravage." These words suggest a level of focused attention and dedication to understanding a subject or topic. Despite the negative connotations of ravage, these synonyms suggest a positive pursuit of knowledge and a commitment to understanding the subject matter in depth.