但是，如果升级失败了呢？

But what if the upgrade fails?

youdao

升级进程该怎么操作呢？

So how should you go about the upgrading process?

youdao

当你打怪、杀敌、升级武器的时候，你知道你的好友在做什么呢？

Who CARES what your friends are doing when there are dragons to slay, enemies to fight, and weapons to upgrade?

youdao