清洁工家用英语是"housekeeper"。这个词来源于英语动词"keep"，意为"维护，保持"，加上后缀"-er"，表示"一个人，做某事的人"。因此，"housekeeper"的意思就是"维护家务的人"。下面是一些例句及其中文翻译：
The housekeeper cleaned the pving room and vacuumed the carpet. (清洁工清洁了客厅并用吸尘器清理了地毯。)
The housekeeper was responsible for making the beds and doing the laundry. (清洁工负责铺床和洗衣服。)
The housekeeper was very thorough and made sure that every corner of the house was clean. (清洁工非常仔细，确保每个房间的角落都清洁。)