**Here are 10 examples of using the word «against» in English:**
1. I have nothing against cats, but I prefer dogs.
2. She argued against the new policy, but her colleagues didn't listen to her.
3. He played against a very strong opponent in the tournament.
4. The company is taking legal action against the supplier for breach of contract.
5. She felt nervous about going to the party, but she decided to go against her fears.
6. The team is training hard to prepare for the upcoming game against a strong rival.
7. He put up a fight against the decision, but in the end, he had to accept it.
8. She has a phobia of spiders, so she avoids any place where they might be.
9. The government is working against poverty and inequality in the country.
10. He is against using violence to solve conflicts.
Please note that the word «against» can be used in various contexts and with different meanings, depending on the situation.