improbability的音標為[?m?prɑ?b?bl?ti]，基本翻譯為“不可能性，不可信”，速記技巧為：im-prob-a-bil-ite。

Improbability這個詞的詞源可以追溯到拉丁語improbus，意為“不可能的，不合適的”。它的變化形式包括improbate（形容詞，表示“不可能的”），improbat（動詞形式，表示“不可能”）。

相關單詞：

1. improvability：可改進性，可能性

2. improvidence：浪費，不謹慎

3. impropriety：不當，不合適

4. improvise：即興演奏，臨時制作

5. improvident：浪費的，不負責任的

6. imprudence：輕率，不謹慎

7. impractical：不切實際的，不實用的

8. imprimer：印刷

9. imprision：監禁

10. impracticality：不切實際性，不實用性

這些單詞都與improbability這個詞源有關，表示“不可能的”或“不合適的”。這些單詞在英語中都有不同的含義和用法，反映了英語的多樣性和靈活性。

improbability短語：

1. improbability theory

2. improbability density

3. improbability of success

4. improbability of occurrence

5. improbable event

6. improbably

7. in the improbable event

雙語句子：

1. It"s highly improbable that he will succeed.

2. The probability of success is very low, but it"s still possible.

3. It"s an improbable coincidence that we met again after so many years.

4. The outcome of the game was highly improbable, given the team"s performance.

5. It"s an improbable story, but it"s true.

6. Despite the improbability of success, we must try our best to achieve our goals.

英文小作文：

Improbability can be a powerful force in life, pushing us to explore new possibilities and break through limitations. When faced with seemingly impossible situations, we must remain optimistic and persistent, for there is always a chance for success. Although the probability of success may be low, it is never completely ruled out. We must embrace the improbable and seize opportunities that come our way, for they could be the stepping stones to achieving our dreams.