hold the reins
US /hoʊld ðə reɪnz/
UK /hoʊld ðə reɪnz/
1.
掌權, 控制
to be in control of something, especially an organization or a country
:
•
She's the one who truly holds the reins in this company.
她才是這家公司真正掌權的人。
•
After the election, the new party will hold the reins of government.
選舉後，新黨將執掌政府。