(Brit.)stop one's horse
(英)收缰勒马
freedom of action or expression
（行动，言论）自由
he was &B{given free rein} to work out his designs.
他被给予自主设计的充分自由。
exercise strict control over; allow little freedom to
严加控制，严加约束
her only chance of survival was to keep a tight rein on her feelings and words.
她仅有的活命机会在于牢牢控制住自己的感情和言谈。
To slow down or stop by or as if by pressure on the reins.
收缰勒马：用有好象用缰绳使放慢速度或停住
To release from restraints; allow to go unchecked
放任：放松约束；让无拘束地走
gave rein to her emotions.
放任她的感情
Close control
严密的控制
kept expenses on a tight rein.
严格的控制花销