: in a very nervous or jumpy state especially as a result of some suspense-provoking situation
on pins and needles while awaiting the doctor's verdict
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on pins and needles
In agitated expectancy
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Main Entry: ↑pin
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in an agitated state of suspense
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on pins and needles
US : feeling very nervous and unsure about what will happen
Everyone was on pins and needles waiting to hear the jury's verdict.
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Main Entry: ↑pins and needles
Useful english dictionary. 2012.