rein

draw rein

1. 慢下来

He never drew rein for a moment till he reached the river.

他一刻不停地一直跑到河边。

give (free) rein to

1. 对……放任

He gave free rein to his imagination.

他纵情想像。

keep a tight rein on

1. 对……严加约束

We will have to keep a tight rein on expenditure in the next few months.

我们得严格控制最近几个月的开支。

the reins of government

1. 政权

He had finally taken over the reins of government.

他终于上台掌握了政权。