raise the curtain (on something)

raise the curtain (on something)

1. To begin or commence (something). It's time to raise the curtain on this new project, everyone, so let's not waste any time! After a few delays, the construction crew was finally ready to raise the curtain.
2. To make (something) publicly known; to reveal or disclose the truth (about something). In an attempt to head off a public relations disaster regarding his acceptance of donations, the governor decided to raise the curtain at a press conference.
See also: curtain, raise
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

raise the curtain

Also, lift the curtain.
1. Begin or start, as in It's time to raise the curtain, guys-start shoveling.
2. Make something public, disclose. In this sense, both terms often occur with on, as in We won't know what the new design is until they lift the curtain on it. Both usages, from the mid-1700s, allude to the curtain raised at the beginning of a theatrical performance, revealing the stage.
See also: curtain, raise
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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