betray的音標是[b?"tre?]，基本翻譯是背叛、出賣，速記技巧是諧音記憶：必踢球（背叛）！

Betray的英文詞源可以追溯到拉丁語單詞“betrāre”，意為“出賣、背叛”。其變化形式包括過去式“betrayed”和現在分詞“betraying”。

相關單詞：

1. betrayal - 背叛、出賣，表示背叛的行為或狀態。

2. unfaithful - 不忠誠的、不守信用的，與“faith”和“trust”相關，表示缺乏信任和忠誠的行為。

3. traitor - 叛徒、賣國賊，表示背叛國家或團體的人。

4. betray - 背叛、出賣，與原始詞根相同，但具有不同的含義，表示具體的行為。

5. betrayal-proof - 防背叛的、不易受騙的，表示不容易被欺騙或背叛的人。

6. betrayal-sensitive - 敏感于背叛的、對背叛反應敏感的，表示對背叛行為敏感的人。

7. betrayal-prone - 易背叛的、傾向于背叛的，表示容易背叛他人的人。

8. betrayal-resistant - 抗背叛的、抵制背叛的，表示對背叛行為有抵抗力的人。

9. betrayal-tolerant - 容忍背叛的、對背叛持寬容態度的，表示對背叛行為持寬容態度的人。

10. betrayal-proofing - 防背叛措施、防背叛訓練，表示為防止背叛而采取的措施或訓練。

以上這些單詞都與“betray”這個單詞有密切的聯系，反映了人類社會中背叛行為的各種表現形式和應對方式。

常用短語：

1. betray one"s country

2. betray one"s trust

3. betray one"s word

4. betray a secret

5. betray a friend

6. betray a trust

7. betray a confidence

例句：

1. He betrayed his trust by stealing money from the company.

2. He betrayed his word to me by not keeping his promise.

3. She betrayed a secret that she was supposed to keep confidential.

4. He betrayed his friend by not helping him in his time of need.

5. She betrayed her trust by disclosing confidential information to the media.

6. He betrayed a confidence when he revealed the victim"s identity to the perpetrator.

7. She betrayed her loyalty by joining the enemy.

英文小作文：

標題：Betrayal: The Cost of Loyalty

Betrayal is a painful experience that leaves deep scars on the heart. It is the cost of loyalty, when someone you trusted betrays your trust and hurts you in the process. Betrayal can happen in many forms, whether it is betraying a friend, a family member, or even a country. It can be devastating, leaving you feeling lost and alone in the world.

However, betrayal can also be a catalyst for growth and change. It forces us to examine our own values and beliefs, and to learn from our mistakes. It can teach us to be more cautious and discerning in our relationships, and to cherish the ones that are truly loyal and trustworthy.

In the end, although betrayal hurts, it can also be a valuable lesson in life, teaching us to be stronger and wiser for the experience. We may never forget the pain of betrayal, but we can learn to move forward and find happiness again.