Tā shúdú lìshǐ, jiǎng Sānguó de gùshi tóutóu-shìdào.
He knows his history inside out and tells the stories of the Three Kingdoms clearly and convincingly.
Tips
culture
Old advice for learning poetry is to 熟读 the 《唐诗三百首》: once you know them well, the saying goes, you can chant a poem even if you cannot write one. In casual northern speech 熟 is often said shóu.