to work hard and focus on something
трудиться усердно и сосредоточиться на чём-то (trudit'sya usyerdno i sosredotochit'sya na chom-to)
"If you want to succeed, you have to put your nose to the grindstone."
"Если вы хотите добиться успеха, вам нужно трудиться усердно." (Yesli vy khotite dobiti'sya uspekha, vam nuzhno trudit'sya usyerdno)
to feel extremely good or happy
the use of willpower to overcome physical problems
something that is still being developed or improved
not very intelligent; not a genius
new people who bring fresh ideas
to be the center of attention
