stand up for
1．support；speak in favor of支持；替…说话
Will you stand up for me？你会支持我吗？
When the boss wanted to dismiss Bill the other workers all stood up for him．当老板要开除比尔时，其他工人全部为他说话。
2．defend；insist upon保护；坚持
He always stands up for women's rights．他一贯维护妇女的权益。
We must stand up for truth and correct mistakes．我们必须坚持真理，修正错误。