to make a mistake; to spoil something
сделать ошибку; испортить что-то (sdelat' oshibku; isportit' chto-to)
"I really messed up my presentation yesterday."
"Я действительно испортил свою презентацию вчера." (Ya deystvitel'no isportil svoiu prezentatsiyu vchera.)
to stop yourself from expressing something
to become familiar with or accustomed to something new
to express hope or desire for something by praying
to submit school or college work to the teacher
to fall asleep, especially unintentionally
to continue doing something even if it is difficult
