There are several synonyms for the phrase "gets the worst of it". One could say "comes out on the losing end", "takes a beating", "loses out", or "take a licking". Another option is to use more expressive phrases such as "gets the short end of the stick" or "gets the raw end of the deal". All of these phrases express the same idea that the person involved is at a disadvantage or has suffered some sort of loss. It's important to keep a variety of synonyms in your vocabulary to help convey your message more effectively and avoid using the same words repeatedly.