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
"I didn’t appreciate its significance then, it was kept in our house in Caerphilly but my dad kept it under lock and key," she said.
From BBC • May 5, 2025
Just days before the stone was to be released, a federal court judge ordered that the emerald remain under lock and key until the federal case with Brazil concludes.
From Los Angeles Times • Dec. 13, 2024
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
For two days there was nothing but strawberries, strawberries, strawberries, and then our supply was either exhausted or in jars, safely under lock and key.
From "The Diary of a Young Girl" by Anne Frank
