Opinions & arguments
sharp as a tack
very clever, alert, and quick-thinking
If someone is sharp as a tack, they are very intelligent and quick to notice or understand things.
Hear it in real life
Did Ben notice that tiny mistake?
Of course. He's sharp as a tack.
My aunt is over eighty, but she is still sharp as a tack.
The mistake everyone makes
Not: He's sharp ‸ tack.
Say: He's sharp as a tack.
Keep the comparison "as a tack" in this expression.
Build it
How it fits in a sentence.
be sharp as a tack; stay sharp as a tack
Your turn: say it out loud
My aunt is over eighty, but she is still sharp as a tack.
Say it out loud two or three times, until it feels like yours.
sharp as a tack
very clever, alert, and quick-thinking
“My aunt is over eighty, but she is still sharp as a tack.”
heytardy
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