“日昨”一词,在古书中习见,而《汉语大词典》仅举阿英《陵汴卖书记》:“直到日昨,亲与主人翻检历数小时,始得之于乱书堆中。”释义为“昨天”。在古代典籍中,“日昨”与“昨日”意义有别,“昨日”在先秦即已出现,与现代汉语同义。《吕氏春秋·察微》:“昨日之事,子为制;今日之事,我为制。”唐代以来产生了“过去”、“以前”的用法,如《南史·王僧孺传》:“昨日卑细,今日便成士流。”《旧唐书·冯立传》:“遂解兵遁于 ”Day yesterday “ the word, seen in ancient books, and the ”Chinese Dictionary“ only cited the British Ying ”Limbian selling secretary“: ”until yesterday, pro and the host remake calendar for hours, Heap. “Interpretation for ” yesterday “. In ancient classics, ”day yesterday “ and ”yesterday “ have different meanings, ”yesterday “ already appeared in the pre-Qin period, synonymous with modern Chinese. ”The Spring and Autumn Annals of LV“: ”The things of yesterday, the children of the system; the things of today, I am the system.“ ”The Tang Dynasty has produced“ past ”, “ before ”usage, History of the South monk 孺 Biography “: ” yesterday humble, today became a stream of people. “” Old Tang Feng Li Chuan “: ”