When someone asks for a favor, it often means they need help with something. However, there are many ways to ask for help without simply saying, "can you do me a favor?" One common phrase is to "call in a favor," which means to request someone's assistance based on a prior agreement or relationship. Other synonyms for "call in a favor" include "pull strings," "ask a favor," "seek assistance," "enlist help," "call for aid," and "request a hand." By using different phrases and synonyms, individuals can communicate their request for help in a more nuanced and effective way.