to lose consciousness temporarily
временно потерять сознание (vremenno poteryat' soznanie)
"He suddenly blacked out during the match."
"Он внезапно потерял сознание во время матча." (On vnezapno poteryal soznanie vo vremya matcha.)
to help someone with something
to work very hard to achieve something
to have no time or energy left; to be overwhelmed
a very kind and generous person
to study very hard
to express care or sympathy toward others