improbable的音標為[?m?prɑ?b?bl]，基本翻譯為“不可能的；不切實際的”，速記技巧為“im（不）+prob（證明）+able（可…的）=不可能的”。

Improbable這個詞來自拉丁語improbatus，意思是“不合適的，不可能的”。它的變化形式有improbity（不正之舉）和improbability（不可能性）。

相關單詞：

1. improvise（臨時準備）: 這個詞源于improve（改善，改進），表示臨時做出或創作。例如，音樂家可能會improvise在即興演奏中。

2. improvisation（即興表演）: 這是improvise的變體，表示在沒有準備的情況下創作或表演。

3. improbity（不可能性）: 這個詞表示某事或某物是不可能的或不合適的。例如，一個improbity可能是一個不公正的行為。

Improbable這個詞在英語中經常被使用，特別是在科學和自然領域中，當我們遇到一些無法解釋或理解的現象時，我們可能會使用這個詞來描述它們。這個詞也經常出現在文學作品中，用來描述一些超自然或不可思議的事件。

常用短語：

1. improbable explanation

2. unlikely possibility

3. remote chance

4. highly unlikely

5. unlikely event

6. unlikely outcome

7. unlikely scenario

雙語例句：

1. The improbable explanation seems to be the best one.

2. It is unlikely that he will win the competition.

3. It is remote chance that we meet again.

4. The highly unlikely event happened today.

5. The unlikely outcome of the experiment was a success.

6. The unlikely scenario of a peaceful solution to the conflict has become a reality.

英文小作文：

標題：Improbable Chance

Once upon a time, there was a young man who dreamed of becoming a professional basketball player. Although he was not tall or strong, he had a passion for the game and a strong belief in his ability to succeed. One day, he was invited to join a professional team, but he knew that it was an unlikely scenario for someone like him. Nevertheless, he decided to give it a try and worked hard to improve his skills and fitness level.

After several months of training, he was surprisingly selected for the team"s main roster. He had achieved the improbable, but it was not the end of his journey. He continued to work hard and improve his game, eventually becoming one of the team"s best players and leading them to victory in several important matches. This story teaches us that with hard work and perseverance, anything is possible, even when it seems improbable.