英语老师给学生的英文寄语可以包含鼓励和激励的话语，旨在激励学生们在学习和生活中不断前进。以下是一些英语老师可能会使用的寄语：

Time is flying away, and years are passing by. Only our friendship is always in my heart. Farewell, my friend! Take care, my friend!

译文：光阴似箭，岁月如梭。唯有我们的友谊永远留在我的心中。朋友，再见!朋友，保重!

Life is a profound book. Others' notes cannot replace your own understanding. May you find and create something new in it.

译文：生活是一本深奥的书，别人的注释无法替代你自己的理解。愿你能在其中发现新事物，创造新东西。

Oh, my friend, do you like stars？ If you feel lonely far away from home, look up at the stars in the sky, where there is a star for luck that I've sent you.

译文：朋友，你喜欢星空吗？如果你在远方感到孤独，抬头看看星空，那里有我送给你的幸运星。

Man can survive, only when he has the substance, man can live only when he has ideal.

译文：人只有拥有理想，才能生存；只有拥有理想，才能生活。

Life is like a piano, what you get out of it depends on how you play it. No sweat, no sweet.

译文：生活就像一架钢琴，你从中得到什么，取决于你如何弹奏。没有付出就没有收获。

Cease to struggle and you cease to live.

译文：停止奋斗，就等于放弃生活。

There is no end to knowledge. There is no end to perfect character.

译文：知识无边无际，完美的人格也无止境。

Wishing you a future filled with success and joy of seeing your dreams come true.

译文：祝你未来充满成功和实现梦想的喜悦。

这些寄语不仅表达了对学生的关心和祝福，还鼓励他们在面对挑战和困难时保持坚持和努力。希望这些寄语能够激励学生们在未来的学习和生活中不断进步和成功。