doing something unfamiliar or challenging
делать что-то незнакомое или трудное (delat' chto-to neznamoye ili trudnoye)
"She stepped out of her comfort zone to take a new job."
"Она вышла из своей зоны комфорта, чтобы принять новую работу." (Ona vishla iz svoey zony komforta, chtoby prinimat' novuyu rabotu.)
to be the center of attention or admiration
to express anger or frustration so that you feel better
a process has started and is making progress
To spend all your time studying
taking advantage of a current trend or success
to not do what one said one would do