The phrase "beat hollow" is often used to describe a situation where one person or thing is far superior or has an unsurpassable advantage over another. Synonyms for this phrase include "outclass," "outdo," "outshine," "overshadow," "dominate," and "trounce." These words all convey a sense of superiority and highlight the idea of one entity being far better than the other. Other related expressions that can be used in place of "beat hollow" include "run rings around," "leave in the dust," "eclipse," and "surpass." These synonyms can be used interchangeably with "beat hollow" to add variation to one's writing or speech.