"curtail drinking in school"
"This substance is controlled"
"restrict the use of this parking lot"
"limit the time you can spend with your friends"
"qualify these remarks"
He restricted himself to five cigarettes a day.
他约束自己每天只抽五支烟。
The reports are restricted to descriptions and give no opinions about the facts.
那些报道只限于记录事实,而未加以任何评论。