That you keep the end guitar up while everything else is fading out.

你在其他部分的同时，让结尾的吉他保持不减。

The pockets of trapped air in between the snowflakes actually weaken the vibrations and converts the sound into small amounts of heat.

在雪花之间空隙里的空气的震动，并且把转换成热量。

So, things like allegro, allegretto, crescendo, diminuendo are all Italian words, which musicians understand, even though they're not in their own language.

所以， 像 Allegro（快板）、Allegretto（小快板）、Crescendo（强）、Diminuendo（）这样的术语都是意大利语词汇，尽管它们不是乐家自己的语言， 但他们都能理解。