3 Sentences With "keeping under lock and key"

How to use keeping under lock and key in a sentence? Find typical usage patterns (collocations)/phrases/context for "keeping under lock and key" and check conjugation/comparative form for "keeping under lock and key". Mastering all the usages of "keeping under lock and key" from sentence examples published by news publications.

The upcoming season 213 of 13 Reasons Why promises to reveal even more secrets that the students of Liberty High are keeping under lock and key.
Rand Paul led the press corps in a search for the bill he accused House leaders of keeping under lock and key even from members of the Republican Party.
Rand Paul, a Republican from Kentucky, led the Capitol Hill press corps on a frantic tour through the halls of Congress looking for the House's health care bill he argued they were keeping under lock and key.

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