You have to persevere with difficult students.
It's difficult, but I'm going to persevere with it.
In spite of all obstacle and failure, the scientist persevere with his experiment.
If you persevere with the work, you'll succeed in the end.
We should persevere with the fight against corruption, one of the fundamental principles for governing a country.
Sir Alex Ferguson is to persevere with Ben Foster in goal for Manchester United despite his erratic form while deputising for the injured Edwin van der Sar.
This is not ambition and greed, but the power to persevere without fear.
What we all respect and admire is the person who can stand up against overwhelming difficulties and persevere without an answer.
