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、allegretto、crescendo、diminuendo 之类的东西都是意大利语， 音乐家可以理解这些词，即使它们不是用他们自己的语言写的。

Beethoven wrote in an 1817 letter that he wanted to drop musical terms like " allegro" for fast, " andante" for slow, or " presto" for extremely fast.

贝多芬在1817年的一封信中写道，他想删除一些音乐术语，如表示快的快板乐曲、表示慢的行板乐曲或表示极快的急板乐曲。