释义：

stand up for 支持，拥护

虽然站了起来（stand up），但特指为了……而站起来 (for somebody (something)) ,表示“支持……”，“拥护某人”，“替某人说话”等。

例句：

Could you stand up for me, please?
你能帮我说说话吗？
I'm just a guy who stands up for what I believe in.
我只是一个相信自己主张的人。
Don't be afraid to stand up for what is right.
不要害怕支持正确的观点。
It's time you stood up for yourself. Tell him you don't like that.
你是时候自立了。你得告诉他你不喜欢那样。

对话：

A: Some students like to study taekwondo.
有些学生喜欢学跆拳道。
B: Well, it helps them stand up for themselves.
恩，对自我防御很有帮助。