call the shots(In today's health care system, insurance companies call the shots. They pick whom they cover and how they cover them. They can cut off your benefits when you need your coverage the most. They are in charge. • The car sales staff can chat away all they like to the man about brake, horsepower and top speeds but it's really the woman who calls the shots. • In the economy, however, it is always big capital that calls the shots.)
think on one's feet(have good ideas and make decisions quickly (Macmillan's Dictionary): Think on your feet! -- Решай немедленно! Решай не откладывая! (что делать)ART Vancouver)