**Here are some examples of using the word «leech» in English:**
1. He is just a leech who attaches himself to successful people to benefit from their success, but he never contributes anything himself.
2. The company has become a haven for leeches who are only interested in taking advantage of the resources and reputation of others.
3. She felt like a leech after spending the whole evening at the party, as she didn't enjoy herself and didn't make any connections.
4. The freelancer was accused of being a leech, as he constantly sought new projects without delivering high-quality work.
5. The politician was criticized for surrounding himself with leeches who only seek personal gain and don't care about the problems of the community.
6. The website was filled with ads from leeches offering services that were either ineffective or outright scams.
7. The charity organization was careful to avoid working with leeches who were only interested in collecting donations without providing any real assistance.
8. The student complained that his roommate was a leech, as he never contributed to household chores and only borrowed things without returning them.
9. The company's management was concerned about the number of leeches who were taking advantage of their resources without adding value.
10. The online forum was infested with leeches who posted spam and irrelevant comments, making it difficult to find useful information.