to study something again before an exam
estudiar algo nuevamente antes de un examen (estudiar algo nuevamente antes de un examen)
"I need to revise for my chemistry exam this weekend."
"Necesito revisar para mi examen de química este fin de semana." (Necesito **revisar para** mi examen de química este fin de semana.)
to use money for paying a loan or insurance
to continue trying with faith and optimism
to spend less money than you earn
to seem likely to happen soon
to suddenly start laughing
to do something to show you are sorry and to fix a problem