to reassure someone that they can handle a situation
успокоить кого-то, что он может справиться с ситуацией (uspokoit' kogo-to, chto on mozhet spravit'sya s situatsiey)
"Don’t worry about the presentation—you’ve got this!"
"Не переживай по поводу презентации—ты справишься с этим!" (Ne perezhivay po povodu prezentatsii—**ty spravish'sya s etim**!)
to impress or surprise someone greatly
to obey rules or follow the official policy
to give someone responsibility for something important
to become addicted or very interested in something
to have the mindset that you are capable of doing something
Very inexperienced or new at something.