under lock and key
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The sorrows that trouble him he keeps under lock and key.
From The Wall Street Journal • Dec. 4, 2025
Maybe we’ll find ourselves under lock and key across the street in the Eisenhower Executive Office Building.
From Salon • Nov. 7, 2025
A Peaky Blinders film will be released soon by Netflix, although Murphy said the plot line is still under lock and key.
From BBC • Sep. 19, 2025
After decades of uncertainty, Robinson’s contracts from 1945 and 1947 are safely under lock and key, held by the U.S.
From Los Angeles Times • Dec. 10, 2024
Danny was about to ask why he kept it under lock and key, especially since none of the other doors in the house had any sort of security.
From "The Way to Rio Luna" by Zoraida Cordova
