The boy hid the key under the old doormat.
Meaning: The boy concealed the key by placing it beneath the doormat, making it difficult to find.
Choice of Words: Key is a small object used to open a lock. Doormat is a mat placed in front of a door to wipe shoes before entering a building. Under means beneath or below something. The phrase "under the doormat" describes the location of the key, which is hidden beneath the doormat.
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Related Expressions