The phrase "have it all over" is often used to indicate one's superior knowledge or ability compared to others. Synonyms for this phrase include "outclass," "outdo," "surpass," "be better than," and "outshine." These terms all imply a sense of superiority, indicating that someone or something is better than the others in a particular area. Other synonyms include "exceed," "outmaneuver," "dominate," "trump," and "top." Each of these words conveys a sense of excellence or mastery in a particular field or activity. In summary, the phrase "have it all over" can be replaced with a variety of synonyms that indicate superiority, dominance, or expertise.