给老师加油英语怎么说

在中文中，"给老师加油"可以译为"give the teacher encouragement/support/cheering"。

这个短语源自于英文中的"give someone a boost/pick-me-up"，意思是给某人一些鼓励、支持或者激励。

例句：

Let's give the teacher a round of applause to show our support. (让我们为老师鼓掌表示我们的支持。)
We want to give the teacher a little pick-me-up after a long day of teaching. (我们想在老师教书一整天后给他一点激励。)
Let's give the teacher a cheer to let him know we believe in him. (让我们为老师加油，让他知道我们相信他。)