| Idiom | Meaning | Example |
| a shoo-in |
the person/horse/team that is certain to win, a sure thing
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Ralph's a shoo-in to win the next election. He'll win easily.
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| a short one |
a small drink, a small amount of liquor
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"Can I pour you a drink?" "Yes. A short one, please."
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| a shot in the arm |
energy, encouragement, a lift
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Billy Graham's sermon was inspiring - a shot in the arm.
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| a shot in the dark |
a wild guess, a try, hazard a guess
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His answer was incorrect. It was a shot in the dark.
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| a sick building |
a building with polluted air or insufficient oxygen
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This is a sick building. The air contains toxic fumes.
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| a sight for sore eyes |
something or someone you are happy to see
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Well, my friend, you are a sight for sore eyes. Good to see you!
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| a silver spoon... |
(See born with a silver spoon in his mouth)
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| a sitting duck |
an easy target, a person who is easy to deceive
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The old lady was a sitting duck for the salesman. It was an easy sale.
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| a slim chance |
very little chance, not likely to happen
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"Is it going to rain today?" "Maybe. There's a slim chance."
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| a slip of the tongue |
a spoken error or mistake, a word that slips out
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I said brew instead of blue. It was a slip of the tongue.
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