The second sentence illustrates the importance of bright sword. As long as you fought bravely, even if you lost, you won't regret it yourself, and your opponents will respect you (such examples abound). Dare not show your sword here, which can be understood as escape, or even escape. It is shameful to escape from the battlefield, that is, to lose face.
Note: Brave people are not reckless people.
I don't know if I don't play. It was a wonderful game.
English? ..... Forget it, I'll help you to the end now, but first of all, my English is not very good.
English: The winner is always the brave man. He must have a conflict with everyone. People who get lost will not bring shame to themselves, but those who escape will.