arch-enemy

arch-enemy的音标为["ɑːtʃɪ"emɪə] ，基本翻译为“死敌，敌对的人或物”，速记技巧为：arch（拱形）+enemy（敌人）= archenemy（死敌）。

Arch-enemy这个词的词源可以追溯到古英语，意为“主要的敌人”。它的变化形式包括过去式、过去分词和现在分词形式。相关单词包括：

enemy：敌人

conflict：冲突

oppose：反对

rival：对手

opponent：对手

conflictive：冲突的

oppositional：反对的

rivalry：竞争

enmity：敌意

arch-enemy这个词在英语中常用来指代主要的对手或敌人，这个词强调了敌人的重要性和地位。这个词的使用也反映了人类社会中竞争和冲突的普遍存在。

常用短语：

1. arch-enemy - 主要敌人

2. face the enemy - 面对敌人

3. enemy at the gate - 临危不惧

4. enemy within - 内奸

5. enemy at dawn - 黎明前的敌人

6. enemy in disguise - 伪装的敌人

7. enemy of my enemy is a friend - 敌人的敌人就是朋友

例句：

1. He is the arch-enemy of our company.

2. We must face the enemy head on.

3. The enemy at the gate is determined to take our city.

4. We must find the enemy within and deal with him.

5. At dawn, the enemy attacked us from behind.

6. The enemy in disguise was actually a spy.

7. We should help each other, for the enemy of my enemy is a friend.

英文小作文：

My arch-enemy is a constant source of fear and anxiety for me. He is always trying to sabotage my efforts and make my life difficult. However, I refuse to let him win, because I know that I am stronger than him and I will not give up easily. I face the enemy head on, knowing that I have the strength and courage to defeat him. No matter how many times he tries to attack me, I will always be ready to defend myself and my goals. In the end, I will emerge victorious, because I am not afraid of my arch-enemy and I know that I have what it takes to win.