be quiet是什么意思

be quiet保持安静Please be very quiet:请安静be fairly quiet:十分安静相关例句；1.Please be quiet in the library.请在图书馆保持安静。2.Be quiet, you impudent girl!安静点，你这放肆的女孩子！3.We have to be quiet in the cinema.在电影院我们必须要保持安静。