A libretto is the words of an opera, an oratorio, or a musical play — the story and the lines the singers sing, not the music itself. The music has its own name: the score.

A libretto is the words of an opera, an oratorio, or a musical playlibretto是指一齣歌劇、神劇，或音樂劇裡的文字 the story and the lines the singers sing也就是故事內容和歌手唱的歌詞台詞 not the music itself不是音樂本身 The music has its own name音樂本身有自己的名稱 the score叫做score（樂譜）

If you buy a little book in the theatre that prints those words, that book is also a libretto; the Italian word means a little book, and that is how it started.

If you buy a little book in the theatre that prints those words如果你在劇院買到印著這些文字的小冊子 that book is also a libretto那本冊子也叫做libretto the Italian word means a little book這個義大利文字的意思就是小冊子 and that is how it started這就是它最初的由來

You will meet it in writing about opera and musicals, not in talk about pop songs. For a pop song, people say lyrics.

You will meet it in writing about opera and musicals你會在寫歌劇和音樂劇的文章裡看到這個字 not in talk about pop songs而不是在講流行歌的時候 For a pop song, people say lyrics講流行歌的時候，大家會說lyrics（歌詞）

Though actually, some writers stretch libretto to any long sung story on stage, even when it is not grand opera. It is a specialist, slightly fancy noun. Say it li-BRET-oh.

Though actually不過其實 some writers stretch libretto to any long sung story on stage有些作者會把libretto延伸用在任何舞台上很長的演唱故事 even when it is not grand opera即使不是大型歌劇也一樣 It is a specialist, slightly fancy noun這是個專業、有點講究的名詞 Say it li-BRET-oh唸法是li-BRET-oh