on call

on call  {adj. phr.}
1. Оплачиваемый по требованию.
Jim didn't have the money ready even though he knew the bill was on call.
2. На дежурстве, в распоряжении.
This is Dr. Kent's day to be on call at the hospital.
The nurse is on call for emergency cases.
Категории: call {adj. phr.}