to remain strong and not give up under pressure or doubt
оставаться сильным и не сдаваться под давлением или сомнением (ostavat'sya sil'nym i ne sdavat'sya pod davleniem ili somneniem)
"He decided to stand firm in his beliefs despite opposition."
"Он решил стоять твердо в своих убеждениях, несмотря на оппозицию." (On reshil stoyat' tverdo v svoikh ubezhdeniyakh, nesmotrya na oppozitsiyu.)
to be full of excitement or activity
to start working in the technology industry
to stop doing something annoying or bad
to lose focus while doing or listening to something
to grow or expand rapidly
to restore emotional strength after hardship