confine

/kənˈfaɪn/

place limits on (extent or access)

Chinese meaning: 限制；局限；监禁

The disease was confined to a small area thanks to quick quarantine measures.

由于快速的隔离措施，疾病被限制在一个小区域内。

Please confine your comments to the topic under discussion.

请将你的评论限制在讨论的话题内。