维持 / 恢复 + 秩序
秩序 (zhìxù) means "order" in the sense of social order, public order, or systematic arrangement. It is commonly used in formal and political contexts, such as 维持秩序 (to maintain order) and 社会秩序 (social order). It does not refer to giving commands or placing orders.
请大家保持秩序,不要插队。
Qǐng dàjiā bǎochí zhìxù, bùyào chāduì.
Please maintain order, everyone, and don't cut in line.
警察在现场维持秩序,确保活动顺利进行。
Jǐngchá zài xiànchǎng wéichí zhìxù, quèbǎo huódòng shùnlì jìnxíng.
The police maintained order at the scene to ensure the event went smoothly.
良好的社会秩序需要每个人共同努力。
Liánghǎo de shèhuì zhìxù xūyào měi gè rén gòngtóng nǔlì.
Good social order requires the joint effort of everyone.