There are many idioms that describe "cleaners". Here are some common ones: Mine clearance expert: The job of a cleaner is to clear all kinds of mines to ensure the safety of public places. 2. Dust and dirt: It described how hard the cleaners worked to clean the city all day long. 3. Obscure: To describe a cleaner who works silently and makes contributions to the city. 4. Cleaning and hygiene: The job of a cleaner is to maintain the cleanliness of the city and make the urban environment more beautiful. 5. Serious and responsible: It refers to the working attitude of a cleaner. He is very careful and serious about his work. 6. Silent and selfless dedication: Although the work of the cleaners is ordinary, they have made great contributions to the city's sanitary environment. 7 conscientious and conscientious: To describe a cleaner's work attitude, conscientious and conscientious, not afraid of hardship and difficulties, silently contributing to the city's environmental cleaning work. Sweat: It was used to describe how hard the cleaners were working to clean the city in a hot environment. 9. So-so: It was used to describe a cleaner's job, which was relatively simple and did not have any particularly outstanding performance, but could still complete the task. Obscure, hard work and plain living: Although the work of the cleaners is ordinary, it is very hard and simple. They are not afraid of vanity and are not afraid of difficulties. They silently contribute to the environmental cleaning work of the city.