Dead.
2 seconds sound clip from the The Goonies movie soundboard.
You can hear this line at 01:19:15 in the Blu-ray version of the movie.
Quote context
[...]
- What are you doing? Stop playing around! You're letting them get away!
- What's the matter with you two?
- To move on, play the tune as each note is said.
- If you make too many mistakes... ye will surely be...
- Be what?
- Dead.
- Oh, God!
- You mean we gotta play the bones to get out of here?
- Exactly.
- You guys, look! There are notes on this.
[...]