secretly or without public knowledge
秘密裏に、または公衆の知識なしで (himitsuri ni, mata wa kōshū no chishiki nashide)
"A lot of work happens behind the scenes to make a movie."
"映画を作るために裏で多くの仕事が行われています。" (eiga o tsukuru tame ni ura de ōku no shigoto ga okonawarete imasu)
to make difficult decisions in challenging situations
Everyone in the group works together for the common good.
in a safe or stable situation
to have both positive and negative effects
to lose all money and be unable to pay debts
to feel like you are about to cry because of strong emotions