sign up加什么介词（sign后面可以加什么介词）

sign up加介词for ，sign up for 中文意思是v,注册，选课；报名参加

I'd like to sign up for some voluntary work with the environment council.我想报名参加一些环境委员会的志愿工作。

Sign up for management classes, so you'll be ready to join the family business when you graduate.