每天都要經(jīng)歷的“日”和“夜”與慣用語(yǔ)的關(guān)系很密切，下列例句足以為證：
（1） All night long： 整夜 Some stores stay open all night long.
（2） Call it a day： 一天工作完畢 We have class from 9am and will call it a day at 4.30pm.
（3） Day after day： 每天 It is boring to do the same things in school day after day.
（4）Day in day out： 一天又一天 Henry wears the same old jeans day in day out.
（5）For a rainy day： 為困難的日子作準(zhǔn)備 When a person gets older, he will realize the importance of saving for a rainy day.
（6）In this day and age： 在現(xiàn)在這時(shí)代 In this day and age, no one can expect to get something out of nothing.
（7）Have an off day： 不大成功或順利的一天
Tom did not do well in yesterday's test. He considered him unlucky enough to have an offday.
（8）The order of the day： 一般的慣例
In a petroleum station here, payment by credit card is the order of the day.
（9）The other day： 幾天前 I bumped into an old friend the other day.
（10）To this day： （指日期）準(zhǔn)確地 It is 40 years to this day that I left university.
（11）Have seen better days： 曾經(jīng)歷過(guò)好日子
Jack was an office head in that university before he came here. He has seen better days.
（12）Some day： 將來(lái) Everyone hopes to be great some day.
（13） One's days are numbered： 末日將臨：
Under computerization, unskilled workers become redundant. Their days in a company arenumbered.
（1） All night long： 整夜 Some stores stay open all night long.
（2） Call it a day： 一天工作完畢 We have class from 9am and will call it a day at 4.30pm.
（3） Day after day： 每天 It is boring to do the same things in school day after day.
（4）Day in day out： 一天又一天 Henry wears the same old jeans day in day out.
（5）For a rainy day： 為困難的日子作準(zhǔn)備 When a person gets older, he will realize the importance of saving for a rainy day.
（6）In this day and age： 在現(xiàn)在這時(shí)代 In this day and age, no one can expect to get something out of nothing.
（7）Have an off day： 不大成功或順利的一天
Tom did not do well in yesterday's test. He considered him unlucky enough to have an offday.
（8）The order of the day： 一般的慣例
In a petroleum station here, payment by credit card is the order of the day.
（9）The other day： 幾天前 I bumped into an old friend the other day.
（10）To this day： （指日期）準(zhǔn)確地 It is 40 years to this day that I left university.
（11）Have seen better days： 曾經(jīng)歷過(guò)好日子
Jack was an office head in that university before he came here. He has seen better days.
（12）Some day： 將來(lái) Everyone hopes to be great some day.
（13） One's days are numbered： 末日將臨：
Under computerization, unskilled workers become redundant. Their days in a company arenumbered.