FAQs About the word signing up (for)

註冊(為)

入伍(於),入學(在),輸入,加入,重新加入,登入(對於),進入,重新登記,重新徵兵,重新註冊

解除,輟學,退出 ,戒煙

signing up => 註冊, signing on (for) => 登入(對於), signing on => 登錄, signing off (on) => 簽署(於)上, signing (up or on) => 簽署(向上或向上),