keep a lid on

To be quiet about something

It wasn't easy to keep Marcia from knowing about the surprise party, but her colleagues did a good job to keep the lid on the ensuing event.

News & Articles

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• Lawmakers debate surplus ahead of budget deadline
  Lawmakers have until the end of the week to finish their version of California's annual budget. Unlike in recent years, this one contains a rare surplus that has emboldened Democrats to try to restore past social service cuts at the same time Gov. Jerry Brown is trying to keep a lid on spending. "This is a dream-come-true year for those of us who have been here for a few of those really tough ...
  June 10, 2013 - KTVU