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
He could provide an option on the flank, but Liverpool's wide areas appear to be under lock and key.
From BBC • Jun. 14, 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
For it would be on this visit, his grandfather had said, that the books in his glass-fronted case, collected over a lifetime and preserved under lock and key, would be given to Ashoke.
From "The Namesake" by Jhumpa Lahiri
![]()