Idiom of the Day March 12, 2021

📚under lock and key

✍🏾Meaning

If something is under lock and key, it is kept in a very secure place.

❗️For example

🔸Make sure these documents are under lock and key until we need them.

🔸Poor Josie. Her parents were very strict and they kept her under lock and key throughout her childhood, so she never learned about life's dangers.