to endure a difficult situation with strength and determination
力と決意で困難な状況を耐え忍ぶ (chikara to ketsui de konnan na joukyou o taeshinobu)
"Even though it was a tough day, she managed to tough it out and finish the project."
"難しい一日だったけれど、彼女はtough it outしてプロジェクトを終わらせた。" (muzukashii ichinichi datta keredo, kanojo wa tough it out shite purojekuto o owaraseta.)
to take on a large responsibility or burden
to be exactly right about something
To be willing to consider new ideas or opinions.
to make others happy with your positivity
to create opportunities for yourself through effort
start working efficiently or properly
