by-and-by的音標是["ba?-?nd-ba?]，意思是遲早；不久。

速記技巧：可以嘗試使用拼音速記法，將單詞中的每個字母或部分單詞作為速記的切入點，如“by”可以聯想到“比一”，這樣就可以快速記憶單詞。

by-and-by的英文詞源是by+and+by，意思是“不久以后”。這個詞在英語中用來表示將來某個時間點或者一段時間之后的情況。

變化形式：by-and-by作為副詞，沒有變化形式。

相關單詞：

1. bye-bye：再見，用于表達離開或者結束時的告別用語。

2. by-product：副產品，指在生產主要產品時產生的非主要但是有用的產品。

3. later on：后來，表示在某個時間點之后的詞語。

4. in due time：在適當的時候，表示在某個時間點或者一段時間之后的情況。

5. eventually：最終，表示事情最終發生的詞語。

6. anon或者presently：不久以后，表示在某個時間點之后不久的時間詞語。

7. shortly：不久，表示時間很短的意思。

8. shortly thereafter：不久之后，表示在某個時間點之后的詞語。

9. anon或者presently afterwards：和“in due time”類似，表示在某個時間點之后不久的時間詞語。

10. in the future：未來，表示未來的時間點或者時間段。

by-and-by作為副詞，可以用來表示時間上的先后順序或者事情發展的趨勢，在不同的語境中有著不同的含義和用法。

常用短語：

1. by and by：不久以后

2. by oneself：獨自

3. by accident：偶然

4. by turns：輪流

5. in by the door：從門口進

6. out by the door：從門口出

7. by the way：順便問一下

例句：

1. I hope to meet you by and by.

我希望不久能見到你。

2. She will come back by herself.

她將獨自回來。

3. He was injured by accident.

他受傷是偶然的。

4. They played football by turns.

他們輪流踢足球。

5. Please let me in by the door.

請讓我從門口進。

6. I"ll meet you outside the cinema by the way.

順便說一下，我會在電影院外面和你見面。

7. She was tired out by the long journey.

長途旅行使她筋疲力盡。

英文小作文：

By and by, I realized that I had been neglecting my family and friends, so I decided to make a change and start spending more time with them. I started going out more often, and even though it was hard at first, it was worth it in the end. I found that my family and friends were always there for me when I needed them, and it made me realize how important it is to cherish the time we have together. So, if you"re feeling lonely or isolated, don"t worry, because there will be a time when you"ll realize that your family and friends are the most important people in your life, and you"ll start cherishing every moment you spend with them.