confine
单词辨析：
指在时间、数量、水平等方面加以限制，侧重事物的限度。
We must limit our spending.
我们必须限制开支。
His talk is limited to 30 minutes.
他的谈话限定在30分钟。
指将某人或某事物限制在某活动、主题、地区等范围之内，通常用被动语态。
They confined their study to 12 cases.
他们把研究限定在12个案例以内。
The work will not be confined to this area.
此项工作不会局限于这一地区。
指控制某事物的大小、数量或范围，侧重限制行为。
You can restrict access to certain files.
你可以限制某些文档的传阅人数。
The deal will restrict competition.
这个协议将限制竞争。
相关例句：
Yoko had largely confined her activities to the world of big business
洋子主要是做大生意。
Newton did not confine his studies to mathematics.
牛顿并不把他的研究局限于数学。
Talent does not confine to geographical area, religion, caste.
天分不局限在地理地域、宗教和种姓上。
We need to confine freedom and define rights scope rationally to keep mutual respect and harmony between people.
对自由的合理限制、对权利范围的科学界定，是人与人之间相互尊重、和睦共处的需要。
The US will soon be taking steps to confine the conflict.
美国很快就会采取措施限制冲突。
The network is for carrying and circulating a personal blog, rather than own and confine a persoanl blog.
网络是用来承载和流通个人网志，而非拥有和限制。