**Betrayal** (предательство) is an act of disloyalty or treachery towards someone who trusts or relies on you. Here are some examples of how to use the word **«betrayal»** in English:
1. After years of friendship, I never expected my best friend to commit such a **betrayal** by spreading rumors about me behind my back.
2. The **betrayal** of her closest confidant deeply hurt her, and she found it difficult to trust anyone again.
3. The spy's **betrayal** of his country resulted in the arrest of many innocent people.
4. The employee's **betrayal** of company secrets led to the loss of millions of dollars.
5. The **betrayal** of a close family member can cause irreparable damage to family relationships.
6. She felt a sense of **betrayal** when she discovered that her partner had been cheating on her.
7. The **betrayal** of trust in a business partnership can lead to legal disputes and financial losses.
8. The **betrayal** of one's own principles and values can lead to a loss of self-respect and self-esteem.
9. The **betrayal** of a friend's confidence can have long-lasting consequences for their relationship.
10. The **betrayal** of a loved one can cause emotional pain and a sense of betrayed trust.