be in control

be in control

1. To possess the ultimate authority in a hierarchy or situation; to be in charge. Who's in control here? I want to talk to the ranking officer.
2. To be confident and capable, often when faced with a stressful situation. Your mother was terrified when she first learned to drive, but now she is completely in control behind the wheel. You need to be in control of the interrogation—don't let the suspect dictate the conversation.
See also: control
Farlex Dictionary of Idioms.

be in conˈtrol (of something)

be able to organize your life well and keep calm: In spite of all her family problems, she’s really in control.
See also: control
Farlex Partner Idioms Dictionary
See also:
  • in control
  • in control of
  • in control of (someone or something)
  • chain of command
  • from on high
  • low on the totem pole
  • high man on the totem pole
  • totem
  • the low man on the totem pole
  • the lowest rung on the ladder