To spend all your time studying
Проводить всё своё время за учёбой (provodit vsyo svoyo vremya za ucheboy)
"He buried himself in books before the finals."
"Он зарывался в книги перед экзаменами." (on zaryvalsya v knigi pered ekzamenami)
to complete the remaining small tasks of a project
a person who provides strong support or comfort
to succeed in doing something difficult
to think or behave in a unique or unconventional way
to discuss something thoroughly
to think creatively or unconventionally