secretly or without public knowledge
秘密地或没有公众知晓 (mìmì de huò méiyǒu gōngzhòng zhīxiào)
"A lot of work happens behind the scenes to make a movie."
"为了制作电影，很多工作发生在幕后。" (wèile zhìzuò diànyǐng, hěnduō gōngzuò fāshēng zài mùhòu)
to barely have enough money to survive
To pay the bill for something.
unfortunate or unlucky situation
a short nap or brief sleep
to be very careful about what you say or do to avoid upsetti...
To build a strong foundation for future success.
