1. I know it's tough, but you need to persevere with your studies if you want to succeed.
Translation: 我知道这很难，但如果你想成功，你需要坚持学习。

2. Despite facing many obstacles, she continued to persevere with her goal of becoming a doctor.
Translation: 尽管面临许多障碍，她仍然坚持成为一名医生的目标。

3. It's important to persevere with your fitness routine even when you don't feel like working out.
Translation: 即使你不想锻炼，也要坚持你的健身计划很重要。

4. Don't give up easily, persevere with your job search until you find the right opportunity.
Translation: 不要轻易放弃，坚持找工作，直到找到合适的机会。

5. He decided to persevere with his hobby of painting, despite facing criticism from others.
Translation: 尽管受到他人的批评，他还是决定坚持他的绘画爱好。

6. It can be challenging at times, but you must persevere with your language learning to see improvement.
Translation: 有时候会很具有挑战性，但你必须坚持学习语言才能看到进步。