以下是一些用英文表示激勵的例句：
1. "Give me a reason to believe in myself."
2. "Keep going, you're doing great!"
3. "Never give up, never surrender."
4. "Believe in yourself and you can achieve anything."
5. "Persistence pays off. Keep pushing forward."
6. "You've got what it takes, don't let anyone doubt it."
7. "Never let your dreams be smaller than your abilities."
8. "Success is not final, failure is not fatal: It is the courage to continue that counts."
9. "Believe in yourself and all that you are, for your future is waiting for you."
10. "Life is like a marathon, keep going and don't give up!"