to say sorry for something you did
сказать извинения за что-то, что вы сделали (skazat' izvinenija za chto-to, chto vy sdelyli)
"She apologized for forgetting his birthday."
"Она извинилась за то, что забыла его день рождения." (Ona izvinilas' za to, chto zabyla ego den' rojdenija.)
to progress or succeed in something through effort and deter...
to reduce the amount of time or effort spent on work
to overcome difficulties or obstacles
to disconnect mentally from work or stress
to follow a plan strictly without giving up
to keep believing or trying despite difficulties