hold the reins

Etymology
A metaphor, based on the usual method of controlling a horse or a team of horses.

Verb

 * 1)  To be in charge, to be in control, as of a business, political organization, or other group.

Translations

 * Finnish: pidellä ohjaksista
 * French:
 * Icelandic: hafa bæði tögl og hagldir, hafa bæði töglin og hagldirnar, hafa tögl og hagldir, hafa töglin og hagldirnar