Under control.
Mabel was frightened when the barking dog ran at her, but she soon got herself in hand and walked on.
The baby-sitter kept the children well in hand.
The copilot asked the pilot if he had the plane in hand or whether he needed any help navigating through the severe thunderstorm.
The police officer radioed to the station that she had the emergency situation in hand and didn’t require any assistance.
The principal was happy to find that the new teacher had her class in hand.