Alas, I fear the artillery must lag behind, but not I trust for long.
唉！我担心炮兵一定要落后，但是我相信他们不会落后得太久。
Let not a single classmate lag behind.
不要让一个同学掉队。
Not to grind a sword will rust; People don't learn to lag behind.
宝剑不磨要生锈；人不学习要落后。
Do not wear a sword to rust; people do not learn to lag behind.
宝剑不磨要生锈；人不学习要落后。
Do not wear a sword to rust; people do not learn to lag behind.
宝剑不磨要生锈；人不学习要落后。
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