rein

rein
noun

(一般作 reins)a long, narrow strap attached at one end to a horse's bit, typically used in pairs to guide or check a horse in riding or driving
缰绳
■a similar device used to restrain a young child
（牵小孩用）安全绳套，安全带
■(figurative)the power to direct and control
(喻)控制；管束，约束
management is criticized for its unwillingness to let go of the reins of an organization and delegate routine tasks.
管理层因不愿放弃机构控制权并下放日常事务的权力而受到批评。

verb

[with obj. and adverbial]cause (a horse) to stop or slow down by pulling on its reins
用缰绳勒（马使停步或放慢步子)，勒马
he reined in his horse and waited for her.
他勒住马等她。
■cause (a horse) to change direction by pulling on its reins
用缰绳勒（马使转向)，勒（马使转向）
he reined the mare's head about and rode off.
他勒马掉头而去。
■keep under control; restrain
控制住，约束
with an effort, she reined back her impatience.
她费力地按捺住了焦躁的心情。
critics noted the failure of the government to rein in public spending.
评论家们注意到政府未能控制住公共开支。

常用词组
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 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。

派生
语源

Middle English: from Old French rene, based on Latin retinere 'retain'

用法

The idiomatic phrase a free rein, which derives from the literal meaning of using reins to control a horse, is sometimes misinterpreted and written as a free reign. Around 15 per cent of the citations for the phrase in the British National Corpus use reign instead of rein

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