等: class; grade; rank孩子: child安静: quiet; peaceful你: you再: another time; again; once mo ...开始: begin; start; initiate; comm ...上课: attend class; go to class开始上课: begin classes; classes begin开始上课啦: the lesson begains安静下来: be quiet; pipe down; quiet down使安静下来: hush v/n慢慢安静下来: grow quiet要求孩子安静: asking a child to be quiet学校八点开始上课: classes begin at安静下来,停止做某事: cook it好了宝贝别哭了 安静下来吧: now hush little baby, don't you cry静下来: still再开始: recommenced; reopen; resumption他一讲话大家顿时安静下来: immediately on his beginning to speak everyone was silent变凉, 平静下来: cool off寂静下来: to lapse into silence冷静下来: calm; cool your lips平静下来: calm down; cool down; simmer down; subside使冷静下来: calm/cool down镇静下来: calm down