to be very brave and calm under pressure
быть очень смелым и спокойным под давлением (byt' ochen' smelym i spokoynym pod davleniyem)
"A firefighter must have nerves of steel to face danger every day."
"пожарный должен иметь стальные нервы, чтобы каждый день сталкиваться с опасностью" (pozharnyy dolzhen imet' stal'nye nervy, chtoby kazhdyy den' stalkivat'sya s opasnost'yu)
an unrealistic or impossible dream
to be accountable for something you did or are in charge of.
people are stronger when they work together
easily frightened or nervous
to improve oneself by understanding and correcting errors
to suddenly think of a good idea
