以下是一些英语教师节贺卡寄语的建议：

1. "A teacher affects eternity； he can never tell where his influence stops."（一个教师对人的影响是永恒的。现在是向您表达感激之情最为恰当的时刻。）

2. "This small gift is only a tiny token of our gratefulness. We all want to thank you."（这件小小的礼物略表我们的感激之情。我们大家都很感谢您。）

3. "You are like a third parent. We all love you and respect you."（您就像我们的家长，我们都敬爱您。）

4. "We all like having you as our teacher. You have our respect and gratefulness."（我们喜欢您做我们的老师，我们尊敬您、感激您。）

5. "Teacher, you light up my heart, thank you."（老师，你点亮我的心，谢谢。）

6. "I wish you a beautiful mood on Teachers Day and a sweet smile!"（祝您教师节心情美，笑容甜!）

7. "three years passed, and everything turned into the yellow picture. miss the playground, miss the classroom, more miss you! my teacher!"（三年过去了，一切都变成了黄色的照片。想念操场，想念教室，更想念您，我的老师!）

8. "I am not your best student, but you are my most reverent teacher. on your holiday, your students wish you to be young forever!"（我不是您最好的学生，但您是我最尊敬的老师。在您的假期里，您的学生希望您永远年轻!）

9. "When your hair becomes white, you have students all over the world. dear teacher, its hard to say to you!"（当您的头发变白时，您将有来自世界各地的学生。亲爱的老师，很难对您说!）

10. "We wish to show our gratitude and thanks with a small gift. Happy Teachers Day!"（我们送您一件小礼物，以表我们对您的感激之情。教师节愉快!）

希望这些建议能帮助您选择或创作一张温馨的教师节贺卡寄语。