for fear的音標是[f??r f??]，翻譯為“唯恐；由于害怕；以免”。

速記技巧：for擔心，fear害怕，組合起來就是唯恐。

fear的英文詞源是中世紀拉丁語fearceria，意為“恐懼，驚慌”。fear的詞形變化形式主要有fears（恐懼），feared（擔心的），fearful（可怕的），fearsome（可怕的）等。

相關單詞：

1. fearless 無畏的：adj. 不害怕的，勇敢的。這個詞由fear和less組成，意思是“不害怕的”，表示在面對恐懼或危險時能夠保持冷靜和鎮定。

2. fearful 可怕的：adj. 令人恐懼的，擔心的。這個詞由fear和ful組成，表示令人感到害怕或擔憂的。

3. dread 害怕：v./n. 害怕，畏懼。這個詞由dread和ful組成，表示對某種事物或情況的深深恐懼。

4. panic 恐慌：n./v. 恐慌，驚慌失措。這個詞源于拉丁語中的panicus，意為“恐慌的”。

5. timid 膽小的：adj. 害怕的，羞怯的。這個詞由timid和ate或id構成，表示害怕冒險或面對挑戰的人。

以上這些單詞都與fear這個單詞有關，它們在不同的語境中表達了不同的情感和含義。fear作為英語中的一個常用詞匯，它的詞源和詞形變化形式為我們提供了豐富的語言資源。

常用短語：

1. for fear of (doing) sth. 為了避免做某事

2. for fear that (從句) 為了防止(從句所述的情況發生)

3. in fear 害怕地

4. be in fear of 因...而害怕

5. be afraid to do sth. 害怕做某事

6. be afraid that (從句) 擔心(從句所述的情況發生)

7. fearful of (doing) sth. 對...感到害怕

雙語例句：

1. They stood guard in fear, ready to fight if needed. （他們害怕地站崗，準備在必要時戰斗。）

2. She trembled in fear at the thought of facing her fearsome teacher. （一想到要面對她那位可怕老師，她就害怕得發抖。）

3. I was afraid to go out alone at night for fear of being attacked by robbers. （我害怕獨自一人在夜里外出，擔心遭到搶劫。）

4. I am afraid that my grades will not be good enough for the job. （我擔心我的成績不足以勝任這份工作。）

5. Children often hide in fear when they hear loud noises. （孩子們常常因為聽到響亮的噪音而害怕地躲藏。）

6. She was in fear of her life after being attacked by a gang of youths. （她在被一群年輕人襲擊后，害怕自己的生命安全。）

7. They were all in a state of panic and in fear for their own safety. （他們全都驚慌失措，擔心自己的安全。）

英文小作文：Fear and Courage

Fear and courage are two opposing forces that shape our lives. Fear can make us cautious and avoid dangerous situations, while courage drives us to face challenges and take risks. However, it is important to balance these two forces to achieve success and growth.

In my opinion, fear is a natural emotion that can be overcome with positive thinking and preparation. We should face our fears and try to understand them to gain a deeper understanding of ourselves and the world around us. By doing so, we can develop resilience and gain confidence to face any challenge that comes our way.

On the other hand, courage is a virtue that requires strength and determination to face danger and adversity. It is essential to have courage to pursue our goals and dreams, to stand up for what we believe in, and to be brave in the face of challenges and setbacks. However, we should not blindly take risks without considering the consequences, as courage without wisdom can lead to recklessness and disaster.

In conclusion, we should embrace fear as a motivator to prepare ourselves for challenges, while cultivating courage to face them head-on with confidence and determination. By doing so, we can achieve our goals and grow as individuals, becoming stronger and more resilient in the process.