to deal with a problem only when it arises
решать проблему только когда она возникнет (reshat' problemy tol'ko kogda ona vozniknet)
"Don't worry about the challenges now, we will cross that bridge when we come to it."
"Не переживай о проблемах сейчас, мы перейдем этот мост, когда подойдем к нему." (Ne perezhivay o problemakh seychas, my **pereyдем etot most, kogda podoydem k nemu**.)
a student who is favored by the teacher
testifying as a witness in court
to relax and enjoy yourself freely
to feel responsible for many problems or duties
to start something from the very beginning
to express an opinion openly and boldly