half-day

half-day的音标是[hɑːf"deɪ]，基本翻译是半天，速记技巧可以用词根-half来速记，表示一半的时间。

英文单词“half-day”的词源可以追溯到古英语“halfa”和“dag”，意为“一半的一天”。这个词在英语中一直沿用至今。

变化形式：在形式上，“half-day”是合成词，由“half”和“day”两个词组成，表示一天的一半。

相关单词：

1. “half-year”意为半年，词源同“half-day”，表示一年中的一半时间。

2. “half-empty”意为半空的，词源同“half-day”，表示事物的一半已经完成或失去。

3. “half-way”意为一半的距离或一半的路程，表示在某个过程中达到了一半的位置。

4. “halftime”是体育比赛中的术语，意为中场休息时间，词源同“half-day”，表示比赛进行到一半的时间。

5. “semi-”前缀表示半，可以和“half-day”相关联。

6. “quarter-day”是历法中的一天，通常指一个月的第四天或每季度末的一天，也和“half-day”有关联。

7. “afternoon”意为下午，词源同“after noon”，表示一天的剩余时间。

8. “noon”意为中午，词源同“noon”表示一天的正中点。

9. “midday”意为正午，词源同“mid”（中）和“day”（一天），表示一天的正中间。

10. “evening”意为晚上，词源同“even”（均匀）和“day”（一天），表示一天的结束。

常用短语：

1. half-day break

2. half-day off

3. half-yearly review

4. half-time job

5. half-empty

6. half-hearted

7. half-way house

例句：

1. We had a half-day break to relax after the exam.

2. She took a half-day off to visit her sick grandmother.

3. The company conducted a half-yearly review of its performance.

4. I am doing a half-time job while studying for my degree.

5. The news was half-empty, as many people had lost their jobs in the recession.

6. He is not very half-hearted in his work.

7. He is currently living in a halfway house after completing a period of rehabilitation.

英文小作文：

Today, I had a half-day off and went for a walk in the park with my friends. We spent the whole morning there, laughing and talking, and it was such a refreshing break from our busy schedules. I really enjoyed the time spent with my friends and hope to have more opportunities like this in the future.