The phrase "wears trousers" can be described using numerous synonyms, both formal and colloquial. Formal terms would include "sports slacks," "pantaloons," "long pants," or "trousers." For everyday conversation, one could simply say "pants" or "slacks." Fashion-forward choices would include "skinny jeans," "khakis," "joggers," or "cargo pants." In more casual settings, one could say "jeans," "denim," or "chinos." Additionally, one could use regional terms such as "britches," "dungarees," or "overalls." Finding the perfect synonym depends on the context of the conversation and the speaker's personal preference.