回複：

Blood dyed (stained) his tabard and penetrated (soaked, permeated) his suit of armour

In Dangyang, no one would dare (face off) with him anymore.

who, since the ancient times, (would) charge the enemy lines and save the poor prince (lord in peril)
唯有常山趙子龍。 Only the Zhao Zi Long from Changshan could do (did it) in the war.