聯合翻譯有限公司/聯合翻譯社

聯合翻譯 引用自 http://englishhome.org/day-after-day-day-and-night-day-by-day-day-in-day-out.html

Day and night 意為「日以繼夜；夜以繼日；日日夜夜；日夜不停地」，亦可用 night and day 來表示，如 His father worked day and night and eventually fell ill. (他父親日以繼夜地工作，終於病倒了)；I think of her night and day. (我日夜思念著她)。

Day by day 意為「一天天地；漸漸地」，如 My mother is getting better day by day. (我母親的健康狀況逐漸好轉)；My little granddaughter grows prettier day by day. (我的小孫女一天比一天漂亮)。其他時間詞也可以這樣用，如 year by year, month by month, week by week, hour by hour，但卻沒有 night by night 的說法或用法。

聯合翻譯 引用自 http://englishhome.org/day-after-day-day-and-night-day-by-day-day-in-day-out.html