to remain firm in your beliefs or decisions despite opposition
оставаться твердым в своих убеждениях или решениях, несмотря на сопротивление (ostavat'sya tverdym v svoikh ubezhdeniyakh ili resheniyakh, nesmotrya na soprotivlenie)
"Even though they disagreed, he decided to stand his ground and not back down."
"Хотя они не согласились, он решил стоять на своем и не отступать." (Khotya oni ne soglasilis', on reshil **stoyat' na svoem** i ne otstupat'.)
to move backwards into something unintentionally
Unexpected good things can occur.
to be angry or resentful about something from the past
a person who has foresight and imagination
something unfamiliar or strange
it's very easy