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
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
The driver was arrested and the van was towed away, put under lock and key at a local impound yard.
From Los Angeles Times • Mar. 18, 2025
They still use equipment the Yankees donated in 2019 during MLB’s debut in Europe — baseball’s are in sparse supply in the U.K., so the Mets keep their gameday stockpile under lock and key.
From Seattle Times • Jun. 6, 2024
His uncle kept all food under lock and key.
From "Surviving Hitler: A Boy in the Nazi Death Camps" by Andrea Warren
