FAQs About the word signing up (for)

注册(为)

入伍(于),入学(在),输入,加入,重新加入,登录(对于),进入,重新登记,重新征兵,重新注册

解除,辍学,退出 ,戒烟

signing up => 注册, signing on (for) => 登录(对于), signing on => 登录, signing off (on) => 签署 (在) 上, signing (up or on) => 签署(向上或向上),