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
His sister can’t even imagine what he gets up to with all those suspect books he keeps piled up under lock and key.
From Los Angeles Times • May 21, 2025
Participants would need to be kept under lock and key so their food intake could be tightly managed.
From BBC • Jul. 27, 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
