Acorns are hard.

Meaning: This means that acorns are difficult to break or damage. It's like saying, Acorns have a tough shell that protects the seed inside.

Choice of Words: Acorns are the nuts produced by oak trees. Are is a verb that links the subject to the predicate. Hard is an adjective that means something is difficult to break or damage. In this context, it means that acorns are difficult to break or damage.

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Related Expressions