draw rein

(Brit.)stop one's horse

(英)收缰勒马

(a) free rein

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。

keep a tight rein on

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。

draw in the reins

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

give free rein to 或 give full rein to

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

tight rein

Close control

严密的控制

kept expenses on a tight rein.

严格的控制花销