1、教师节快乐英语的用法为Happy Teachers Day。

2、例句：Happy Teachers Day, dear teachers!（亲爱的老师们，教师节快乐！）

3、教师节英文祝福语：Favorite 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。