"保持安静"在英语中叫做"keep quiet"或"maintain silence"。这个短语起源于英语中"keep"和"quiet"两个单词的组合，表示"保持"和"安静"的意思。
例句：
Can you please keep quiet during the movie? (请在电影期间保持安静好吗？)
I need to maintain silence in the pbrary. (我需要在图书馆里保持安静。)
The teacher asked the class to keep quiet. (老师要求全班保持安静。)