1.(for horse)缰绳
2.(for child)防走失带；安全绳套
Amazon customers love these baby and toddler reins.亚马逊网站上这种防止幼儿走失的安全带卖得很好。
3.(form of control)控制手段；支配手段
It’s time to start loosening the reins and letting their kids travel unsupervised to school.他们是时候放松控制, 让孩子们自己去上学了。
4.【马术】(direction)(骑手控制的)骑行方向
5.(restraining)约束物；管束物；约束措施；管束措施
Many retailers are still pulling back the reins on expansion and growth plans.很多零售商仍对扩张、发展计划采取约束态度。
6.(controlling)管制者；控制者
7.(guiding)引导物
8.to give free rein to do sth
9.to keep a tight rein on sb/sth
(control)+ person严格管制…；严厉约束…
Her parents had kept her on a tight rein with their narrow and inflexible views.她的父母眼光狭隘、顽固刻板, 管她管得很紧。
(limit)+ something严格限制…；对…严加控制
We have to keep a tight rein on expenditure.我们不得不严格控制开支。
10.on a long rein
horse +缰绳放松的
11.to shorten the reins
(on horse)收紧缰绳