at a sitting
成語所屬單字sitting
at a sitting — 慣用語
1. during one continuous period without getting up or stopping.
1.慣用語
釋義
一口氣；一次（不間斷）
during one continuous period without getting up or stopping.
例句
Bilal ate five large slices of pizza at a single sitting.
Javier solved the entire crossword puzzle at one sitting.