achi Idiom, Proverb

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Achilles' heel

a weakness, a vulnerable place Jewelry is my Achilles' heel. I buy too much jewelry.

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Preaching to the choir

If someone preaches to the choir, they talking about a subject or issue with which their audience already agrees. ('Preaching to the converted' is an alternative form.)

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Well-oiled machine

Something that functions very well is a well-oiled machine.

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Achilles' heel|Achilles|heel

n. phr., literary A physical or psychological weakness named after the Greek hero Achilles who was invulnerable except for a spot on his heel. John's Achilles' heel is his lack of talent with numbers and math.

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x-raying machine|machine|x|x-raying

n., slang, citizen's band radio jargon Speed detection device by radar used by the police. The smokies are using the x-raying machine under the bridge!