**Here are 10 examples of using the word «killer» in English:**
1. The police are searching for a serial killer who has been terrorizing the city for months.
2. The new video game is a real killer — it's incredibly addictive and challenging.
3. The company's sales have been down lately, and they need to find a killer marketing strategy to turn things around.
4. The team's performance in the last game was a killer — they played with great skill and determination.
5. The chef created a killer dish that impressed all the guests at the restaurant.
6. The movie's soundtrack is a killer blend of different genres, creating a unique and exciting sound.
7. The athlete's training regimen is a killer — it involves hours of hard work and dedication every day.
8. The fashion designer's latest collection is a killer hit — it's all over the fashion magazines and runways.
9. The comedian's jokes were a killer success — the audience laughed non-stop.
10. The weather forecast predicts a killer storm — heavy rain, strong winds, and possible tornadoes.
Please note that the word «killer» can have different meanings depending on the context. It can mean a person who kills, a thing that is very good or successful, or a word used to describe something that is extremely intense or extreme.