archrival的音標為[?ɑ?t???ra?vl] ，基本翻譯為“主要的對手，勁敵”，速記技巧為：主要的對手是archrival，勁敵是rival。

archrival這個詞的詞源可以追溯到拉丁語，意為“主要的對手”。它的變化形式包括其過去式和過去分詞形式“archrivalled”以及現在分詞形式“archrivalizing”。

相關單詞：

rival：對手，競爭者，在競爭中的對手

vying：競爭，爭奪，爭勝

competition：競爭，比賽，競賽

rivalry：競爭，敵對，對抗

contend：競爭，爭奪，主張

contest：爭論，辯論，競賽

oppose：反對，對抗，抵制

conflict：沖突，爭論，斗爭

rivalrous：競爭的，敵對的

antagonism：對抗，敵對關系

這些單詞都與archrival這個詞有著密切的聯系，它們都表示與競爭、對抗、對手等相關概念。archrival這個詞在英語中常用來表示主要的競爭對手，強調雙方之間的競爭關系。

常用短語：

1. archrivalry

2. be at odds with

3. be at war with

4. be in competition with

5. be locked in a battle with

6. be on bad terms with

7. be at cross-purposes with

例句：

1. The two companies have been archrivalry for years, with fierce competition in the market.

2. They are at odds with each other over the issue of territory.

3. The two countries are at war, with no sign of peace in sight.

4. They are in competition for the same resources, and it"s causing tension between them.

5. They are locked in a battle for market share, with no end in sight.

6. They have been on bad terms for years, ever since their disagreement over a project.

7. Their goals are at cross-purposes, making it difficult for them to work together effectively.

英文小作文：

Competition is a natural part of life, whether it"s in athletics, business, or any other field. Rivals face each other in order to push themselves to be better and achieve greater things. However, sometimes, the competition can become too intense, leading to conflicts and rivalries that can damage relationships and even lead to violence. In order to avoid such situations, it"s important to maintain a healthy level of respect and understanding for each other"s goals and efforts, while still being committed to achieving our own objectives. In the end, competition can be a valuable tool for personal growth and development, but only if it"s done in a way that"s respectful and constructive.