in an instant的音標是[?n ?n ?n?st?nt]，基本翻譯是“立刻，馬上”，速記技巧是“in”表示“在…里面”，“an”表示“一個”，“instant”表示“瞬間”。

“in an instant”這個短語的英文詞源是“in”+“instant”，表示“立刻，馬上”。

“instant”這個詞來自拉丁語“instantis”，意為“瞬間的，立即的”。它的變化形式有：

1. “instantly”意為“立刻地，馬上地”，是由“instant”加副詞后綴“ly”構成。

2. “instinctively”意為“本能地，直覺地”，是由“instinct”加后綴“ively”構成。

相關單詞：

1. “moment”意為“瞬間”，與“instant”有相似的含義。

2. “immediate”意為“立刻的，直接的”，可以與“in”構成短語“immediately”，表示“立刻地”。

3. “nowhere”意為“無處”，可以表示時間上的“現在”，與“instant”有相近的含義。

4. “flash”意為“閃光，閃現”，可以表示時間上的短暫出現，與“instant”有相似的含義。

5. “swiftly”意為“迅速地”，可以用來描述時間上的快速變化。

6. “suddenly”意為“突然地”，可以用來描述某個事件或情況在瞬間發生。

7. “quickly”意為“快地”，可以用來描述時間上的快速變化，也可以與“in”構成短語“quickly”，表示“立刻地”。

8. “now”意為“現在”，可以與“in”構成短語“now and then”，表示有時刻或瞬間。

9. “transient”意為“短暫的，瞬間的”，可以用來描述時間上的短暫變化。

10. “ephemeral”意為“短暫的，瞬息即逝的”，可以用來描述時間上的短暫存在或事件。

常用短語：

1. in a flash

2. in a moment

3. in no time

4. at once

5. instantly

6. in a flash of lightning

7. in a twinkling

雙語例句：

1. She opened her eyes in an instant and realized what had happened.

2. The car hit the brakes and came to a stop in an instant.

3. I turned around and saw them laughing together in an instant.

4. The door opened and they were gone in an instant.

5. I knew I had made a mistake the moment I said it.

6. The light turned green and we were on our way in an instant.

7. The rain stopped instantly as soon as the sun came out.

英文小作文：

In an instant, time can be frozen, memories can be made, and dreams can come true. When I think of the word "instant", I think of the magic of the moment when my best friend and I first met, or the excitement of winning a competition, or the joy of receiving a surprise gift. These moments are fleeting, but they leave a lasting impression on our hearts.

In an instant, we can also experience the beauty of nature, such as witnessing a sunset or a rainbow. These moments are breathtaking, and they fill us with awe and gratitude for the wonders of life. In an instant, we can also feel the power of love, compassion, and understanding, as when we rush to help someone in need or offer comfort to a friend who is grieving.

In an instant, we can learn valuable life lessons, such as the importance of perseverance and hard work, or the value of kindness and compassion. These lessons can shape our character and guide us on our journey through life.

In an instant, we can also experience the ups and downs of life, such as when we face challenges or setbacks, or when we experience joy and happiness. These moments teach us resilience and perseverance, and they strengthen our resolve to keep going in the face of adversity.

In an instant, we can also realize our dreams and goals, as when we make a conscious effort to pursue something we truly desire. These moments give us motivation and inspiration to keep pushing forward, no matter what obstacles lie ahead. In an instant, life can be full of wonder and possibility, filled with joy and hope.