New emerging forces are invincible.

新生力量是不可战胜。

They are invincible in battle.

他仗来战无不胜。

Only by overcoming our weaknesses can we advance without any encumbrance;only by uniting ourselves in our struggle can we be invincible.

克服缺点才能轻装前进,团结战斗才能无往不胜。