| 释义 |
□ sign up 1 engage or employ (a person) 雇用 ( 某人 ) 2 enlist in the armed forces 应征，报名参军 3 a commit (another person or oneself) by signing etc. 签名保证，签名表态 signed you up for dinner 把你列入参加晚餐的人中了 b enrol 报名，登记 signed up for evening classes 报名上夜校 ‣Main Entry: sign |