**Here are 10 examples of using the word «lost» in English:**
1. I lost my keys this morning and now I can't get into my house.
2. She lost her job due to the company's restructuring.
3. He lost his phone and couldn't find it anywhere.
4. The team lost the game and was disappointed with the result.
5. They lost their way in the fog and had to ask for directions.
6. I lost patience with him after he kept interrupting me.
7. The company lost money on the project and had to reconsider its strategy.
8. She felt lost and alone after her partner left her.
9. The city lost its historic buildings in the recent renovation.
10. He lost confidence in himself after a series of failures.