"Dark Horse" 的音標為 ["dɑ?k m??s] ；基本翻譯為“黑馬”；速記技巧為：黑馬=暗（dark）+馬（horse）

Dark Horse這個詞的英文詞源可以追溯到英語中一個古老的短語“dark bay”，意為“黑種馬”。這個詞最初來源于英國的馬匹品種，指的是一種具有深黑色皮毛的馬匹。后來，這個詞逐漸演變為一個比喻，用來形容那些出乎意料地成功或獲得勝利的人或事物，就像是在黑暗中出現的馬一樣，令人驚訝。

變化形式：

1. 原形：dark horse

2. 復數：dark horses

3. 比較級：darker horse

4. 最高級：darkest horse

相關單詞：

1. Cinderella - 灰姑娘，這是一個源于“dark horse”的比喻，形容意外成功或獲得幸福的人。

2. Surprise victory - 意外的勝利，這個單詞直接來源于“dark horse”，用來形容出乎意料的成功。

3. Overcome by an underdog - 被弱者擊敗，這個短語中的“underdog”來源于“dark horse”，用來形容被看似不起眼的人或事物擊敗的情況。

4. Long shot - 長射，這個單詞用來形容一種看似不可能成功的冒險行動，源自“dark horse”比喻。

5. Upset - 意外事件，這個單詞用來形容意料之外的事情，與“dark horse”有直接關聯。

常用短語：

1. dark horse candidate

2. a surprise winner

3. unexpected success

4. fly under the radar

5. keep a low profile

6. emerge as a dark horse

7. come out of nowhere

例句：

1. He was a dark horse in the election, but surprisingly he won.

2. She kept a low profile and quietly worked on her project all year, and then suddenly emerged as a dark horse with a great presentation.

3. We always thought he was just another ordinary student, but he unexpectedly won the competition.

4. He always flies under the radar and we never expect him to do well, but he always comes through.

5. She surprised us all by suddenly announcing her engagement to her long-time boyfriend.

6. The newcomer is a real dark horse in this industry.

7. He came out of nowhere to become the most successful entrepreneur in his city.

英文小作文：

The unexpected success of a dark horse can be a great inspiration to us all. When someone who is not expected to win suddenly achieves success, it reminds us that anything is possible with hard work and dedication. It can also encourage us to step out of our comfort zones and try new things, even if we are not sure we will succeed. The fact that a dark horse can emerge from nowhere and make a significant impact on the world reminds us that we should never give up on our dreams and aspirations.