do something in/at one sitting
at one sitting
During one uninterrupted period of time. Our teenage sons can finish a whole turkey at one sitting. How much research can you get done at one sitting?
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
at one sittingor
in one sitting
COMMON If you do something at one sitting or in one sitting, you do not stop doing it until you have finished it. He sometimes reads a whole novel at one sitting. She can go through a whole box of cookies in one sitting.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
do something in/at one ˈsittingdo something in one continuous period of activity, without getting up from your chair: I read the book in one sitting.
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