fearlessness的音標為：[?fi?rl?sn?s]，翻譯為“無所畏懼，無懼”的意思。

速記技巧：將單詞拆分記憶，注意單詞中的字母組合和發音規律，可以嘗試使用諧音記憶法，將單詞發音轉化為容易記住的漢語表達。在這個單詞中，可以嘗試將“fear”（害怕）聯想為“free”（自由），從而聯想到“無所畏懼”的含義。

希望以上信息對您有幫助，祝您學習進步！

fearlessness這個詞的詞源可以追溯到拉丁語中的fear，意為恐懼或害怕，lessness表示無或沒有，因此fearlessness可以理解為沒有恐懼或恐懼消失的狀態。

fearlessness的變化形式主要有復數形式fearlessnesses，過去式和過去分詞形式為fearlessed或者fearlessly，現在分詞形式為fearlessing。

相關單詞有：bravery, fearless, fearful, timid, skittish, scared, intimidated, unafraid, reckless等。這些單詞都與fearlessness有關，表示勇敢、無畏、害怕、膽小、驚慌、受威脅、無所畏懼、魯莽等含義。這些單詞在英語中經常用來形容人的性格、行為或態度，強調勇敢面對困難和挑戰的精神。

例如，bravery意為勇氣，可以用來形容一個人在面對危險時表現出的勇敢和無畏；fearless意為無畏的，可以用來形容一個人面對危險毫不畏懼的態度。這些單詞在英語中經常用來形容人的性格和品質，強調勇敢面對困難的精神和態度。

常用短語：

1. fearless determination

2. fearless approach

3. fearless spirit

4. fearless action

5. fearless decision

6. fearless confidence

7. fearless innovation

例句：

1. She showed a fearless attitude towards challenges.

2. He took a fearless decision to quit his job and start a business.

3. The soldiers showed fearlessness in the face of danger.

4. She had a fearless spirit that always pushed her to do better.

5. He never hesitated to speak his mind, showing fearless confidence.

6. The company"s fearless innovation has led to significant growth in the market.

英文小作文：

Fearlessness is a powerful quality that can help us achieve our goals and overcome challenges. When we are fearless, we are not afraid of failure or rejection, and we are willing to take risks and try new things. Fearlessness can be a driving force for success, as it encourages us to step out of our comfort zones and expand our horizons.

However, fearlessness is not just about taking risks; it also involves being confident in ourselves and our abilities. When we believe in ourselves, we can face any challenge with courage and determination, knowing that we have the strength to overcome it.

Fearlessness is not something that comes naturally to everyone, but it is something that can be developed over time with effort and practice. By learning to face our fears and take control of them, we can become more confident and successful individuals.