1. to continue or persevere despite difficulties, challenges, or obstacles
Even when things get tough, you have to persist through it.
Mesmo quando as coisas ficam difíceis, você tem que persistir apesar disso.
2. to maintain determination and keep going through a difficult situation
She decided to persist through it and finish her degree despite financial hardship.
Ela decidiu persistir apesar disso e terminar seu diploma apesar das dificuldades financeiras.