to endure a difficult situation with strength and determination
вытерпеть трудную ситуацию с силой и решимостью (vyterpet' trudnuyu situatsiyu s siloy i reshimost'yu)
"Even though it was a tough day, she managed to tough it out and finish the project."
"несмотря на трудный день, она смогла tough it out и закончить проект." (nesmotrya na trudnyy den', ona smogla tough it out i zakonchit' proyekt.)
to make a fresh start or change for the better
to make progress or advance
to praise yourself for doing something well
to see how good someone or something is
To have bad manners or lack social etiquette.
affecting everyone or everything equally