加油是一个非常普遍的鼓励性短语，它可以激励人们在面对各种困难和挑战时保持积极的态度，坚定前行的信念。以下是一些简短的英文励志短句子，希望能给你带来一些启发和鼓舞：

1. Keep going and never give up. 坚持下去，永不放弃。

2. Believe in yourself and you will succeed. 相信自己，你就会成功。

3. Failure is not the end, it's just the beginning of a new journey. 失败并不是终点，而是新旅程的开始。

4. Every obstacle is an opportunity to grow and learn. 每一个障碍都是成长和学习的机会。

5. You are capable of achieving great things, don't let fear hold you back. 你有能力做出伟大的事情，不要让恐惧阻挡你。

6. Success is not a destination, it's a journey. 成功不是一个终点，而是一个旅程。

7. It's not about how many times you fall, it's about how many times you get back up. 成功并不在于你倒下了多少次，而在于你站起来的次数。

8. Your hard work will pay off, just keep pushing forward. 你的努力会得到回报，只要不断向前推进。

9. You are stronger than you think, don't underestimate yourself. 你比你想象的更强大，不要低估自己。

10. The only way to fail is to give up. 失败的唯一途径就是放弃。

这些简短的英文励志短句子虽然短小精悍，但却能激励人们在追求自己的梦想和目标时保持勇气、信心和毅力。无论你遇到什么困难和挑战，只要坚定前行，相信自己，努力不懈，就一定能够实现自己的梦想！