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Open the tool →坐以待旦 (zuò yǐ dài dàn) is a Chinese idiom (chengyu) meaning “to sit up all night waiting for daybreak”.
坐以待旦 is pronounced zuò yǐ dài dàn in Mandarin Chinese.
Literally, 坐以待旦 means “Sit awaiting daybreak”. It is used to mean “to sit up all night waiting for daybreak”.
旦:天亮。坐着等天亮。比喻办事勤劳。