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.