炉子清洁无瑕就表明他母亲是个勤劳的主妇.A spotless stove told us that his mother is a diligent housekeeper.我们中国人是勇敢勤劳的.We Chinese people are brave and industrious.中国人民是勤劳的.Chinese people are industrious....

“勤劳的”的英语可以翻译为：laborious ...