Is “At Changban Slope, he held the bridge and repelled Cao's army by shouting” true?
attested in history
According to the Records of the Three Kingdoms, Biography of Zhang Fei, he led twenty riders to hold the bridge, glared and shouted, causing Cao's troops to retreat without daring to approach.
Zhang Fei
In official histories, he is a famous general who respects gentlemen but is harsh on common soldiers, skilled in both civil and military affairs; in novels, he is often depicted as a rough and rude man.