"he took up the reins of government"
"rein a horse"
"They reined in in front of the post office"
"He reined in his horses in front of the post office"
"rule one's temper"
Fathers are able to hand the reins directly to their sons.
I made a vow to keep a tighter rein on my tongue.
Edyrn rein'd his charger at her side.
Sweet Lord..rein thy tongue.
牛津高阶第八版
美国韦氏词典
Dictionary.com
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维基百科 (自由的百科全书)