to be able to make quick decisions and act quickly, especially in an emergency
迅速に意思決定し、迅速に行動できる、特に緊急時に (sinsoku ni ishi kettei shi, sinsoku ni koudou dekiru, toku ni kinkyuuji ni)
"During the meeting, she had to think on her feet and come up with a solution."
"会議中、彼女は迅速に考え、解決策を見つけなければなりませんでした。" (Kaigi chuu, kanojo wa sinsoku ni kangae, kaiketsu saku wo mitsukena kereba narimasen deshita)
to show others how to behave by doing it yourself
to change your way of thinking completely
to build or start something completely from the beginning
to gossip or reveal secrets, often to get someone in trouble
to move forward with great energy or speed
a process has started and is making progress
