"All day and all night" 是一个英语短语，表示“整天整夜，无时无刻”的意思，强调某行为或状态持续的时间之长，涵盖了从早到晚，甚至包括夜晚。这个短语通常用来描述一种长时间不间断的情况，或者是对某个活动、情绪或问题的极度关注。

**例句**

1. She was so engrossed in her new novel that she read all day and all night, barely taking a break.

   她沉迷于新小说，整天整夜地读，几乎没怎么休息。

2. The construction work outside my apartment has been going on all day and all night, causing me to lose sleep.

   我公寓外面的建筑工作一直在进行，从早到晚，让我无法入睡。

3. With the baby crying all day and all night, the new parents were exhausted beyond measure.

   小宝宝整日整夜地哭闹，让新手父母疲惫不堪。

4. The medical team worked all day and all night to save the patient's life.

   医疗团队昼夜不停地工作，以挽救病人的生命。

**同义词辨析**

1. **Non-stop**: 这个词直译为“不停歇”，常用来形容某事连续不断，没有中断，如 "The train ran non-stop from New York to Chicago."

2. **Round the clock**: 这个短语源自钟表，表示24小时全天候，如 "Security is provided round the clock at the airport."

3. **Without a break**: 表示没有任何休息，如 "She studied without a break for the exams."

4. **Endlessly**: 强调无止境地，无休止地，如 "He complained endlessly about his job."

5. **Throughout**: 意为“贯穿整个期间”，如 "The noise continued throughout the day."

在使用 "all day and all night" 时，要注意它强调的是时间的连续性，尤其强调从白天到黑夜的完整时间段。而其他同义词可能更侧重于行为的不间断性或者时间的长度，但并不特指白天和夜晚。在选择使用哪一个短语或词汇时，应根据上下文和具体情境来决定。