to express doubt or uncertainty about something
выражать сомнение или неопределенность по поводу чего-то (vyrazhat' somnenie ili neopredelennost' po povodu chego-to)
"There’s been a lot of questions over the accuracy of that report."
"Было много вопросов относительно точности этого отчета." (Bylo mnogo **voprosov otnositel'no** tochnosti etogo otcheta.)
to release tension and stop worrying
to take responsibility or initiative; to rise to a challenge
to talk openly about problems to resolve them
to continue trying hard to achieve something
to attribute something to a particular reason
to register or enroll in a course or activity
