to be able to make quick decisions and act quickly, especially in an emergency
уметь принимать быстрые решения и действовать быстро, особенно в чрезвычайных ситуациях (umet' prinimat' bystrye resheniya i bystro deystvovat', osobenno v chrezvychaynykh situatsiyakh)
"During the meeting, she had to think on her feet and come up with a solution."
"Во время встречи ей пришлось быстро думать и предложить решение." (Vo vremya vstrechi yey prishlos' bystro prinimat' resheniya i predlozhit' resheniye)
having naive or unrealistic dreams or hopes
to achieve a position of advantage or superiority
to introduce an idea subtly to influence someone later
a simple and perfect solution to a complex problem
to memorize something perfectly
to irritate or annoy someone very much
