hold the reins
US /hoʊld ðə reɪnz/
UK /hoʊld ðə reɪnz/
1.
deter as rédeas, estar no comando
to be in control of something, especially an organization or a country
:
•
She's the one who truly holds the reins in this company.
Ela é quem realmente detém as rédeas desta empresa.
•
After the election, the new party will hold the reins of government.
Após a eleição, o novo partido deterá as rédeas do governo.