be under orders

be under orders

To be following the instructions given by a superior. I'm under orders to detain the suspect until the detective can question him.
See also: order
Farlex Dictionary of Idioms.

be under ˈorders (to do something)

have been ordered or commanded (to do something): Prisoners of war were under orders to reveal only their name, rank and number.
See also: order
Farlex Partner Idioms Dictionary
See also:
  • private eye
  • a private eye
  • probe
  • probe for
  • hawkshaw
  • cock a
  • cock a snook
  • cock a snook at
  • cock a snook at somebody/something