张飞 appears in countless idioms and sayings:
张飞吃豆芽——
小菜一碟 ('Zhang Fei eats bean sprouts — a trifle'),
张飞穿针——
粗中有细 ('Zhang Fei threading a needle — fine skill inside a rough exterior'). He is the archetype of the hot-tempered but loyal warrior in Chinese folk culture.