lǎo shī shuō xiàn zài fēn zǔ tǎo lùn wǔ fēn zhōng bú shì ràng dà jiā mǎ shàng ān jìng xiě zuò yè

老师说“现在分组讨论五分钟”，不是让大家马上安静写作业。

When the teacher says 'now discuss in groups for five minutes', it doesn't mean everyone should immediately quiet down and do homework.