sign /saɪn/ ► SEE ALLsign sth awaysign for sthsign insign sb insign offsign sb off sign sth off sign off on sth sign onsign onsign sb onsign outsign sb outsign sth outsign sth over (to sb)sign upsign sb up●ˌsign sth aˈwayto give up your rights, property, etc. by signing a document签字放弃，签字让与（权利、财产等）◆The artist lost millions by signing away his rights to the cartoon character he created. 那位艺术家签字放弃了他创作的卡通人物的所有权，因此损失数百万。OBJrights[v + adv + n][v + n/pron + adv]●ˈsign for sth1.to sign a form, etc. as proof that you have received sth签收◆The postman asked me to sign for the packet. 邮递员要我签收小包裹。◆This letter hasn’t been signed for. 这封信还没人签收。2. (sport体育) if a player signs for a club, he/she formally agrees to play for that team（运动员）和球队签约，正式同意为球队效力◆When did Rooney sign for United? 鲁尼什么时候和曼联签约的？[v + prep]●ˌsign ˈin●ˌsign sb ˈinto write your name or the name of a guest when you arrive at an office, a club, etc.（替客人）签到◆All visitors must sign in on arrival. 来客均须签到。◆You have to be signed in by a member. 你必须由会员帮你签到。OPPsign out, sign sb out[v + adv][v + n/pron + adv][v + adv + n]●ˌsign ˈoff1. (BrE) to end a letter, email, etc.结束写信（或电子邮件等）◆I’ll sign off now and post this. 我这就把信写完并寄出去。2.to end a broadcast by saying goodbye or playing a piece of music（以道别或播放乐曲的形式）结束播送，停止广播◆I’ll sign off with a reminder to tune in again tomorrow. 播音到此结束，明天请继续收听。[v + adv]▸ˈsign-off
noun
a way of ending a letter, email, etc. （信件、电子邮件等的）结束语 ◆His letter ended with an indecipherable sign-off which could have been ‘lots of love’. 他来信的结束语难以辨认，可能是“非常爱你”。●ˌsign sb ˈoff (BrE) to say officially that sb is too ill/sick to work for a particular period给…开病假◆The doctor signed him off for a week. 医生给他开了一周的病假。SUBJdoctor[v + n/pron + adv][v + adv + n]●ˌsign sth ˈoff (BrE) to give your formal approval to sth, by signing your name签字认可；签名同意◆She signed off all the invoices. 她在所有发票上签了名。[v + adv + n][v + n/pron + adv]●ˌsign ˈoff on sth (NAmE, informal) to express your approval of sth formally and definitely正式批准◆The President hasn’t yet signed off on this report. 这份报告总统还没有正式批准。[v + adv + prep]●ˌsign ˈon1. (BrE, informal) to sign a form stating that you are unemployed so that you can receive payment from the government办理失业登记（以领取失业救济金）◆He had to sign on when the factory closed. 工厂倒闭后，他不得不办理失业登记。2. (old-fashioned, NAmE) to announce the start of broadcasting for the day开始广播◆This is Jack Grainger signing on. 我是杰克・格兰杰，现在开始播音。[v + adv]●ˌsign ˈon●ˌsign sb ˈon◆Eric has been signed on for the team as goalkeeper. 埃里克和球队签了约，司职守门员。◆Shall I sign you on for the painting class? 我要不要替你报名上美术班？◆I tried to sign on as a medical assistant. 我想报名当医务助理。➡sign up, sign sb up[v + adv][v + n/pron + adv]●ˌsign ˈout●ˌsign sb ˈoutto write your name or the name of a guest when you leave an office, a club, etc.（替客人）签退，签字离开◆Don’t forget to sign out when you go. 离开时别忘了签退。◆You must sign your guests out when they leave the club. 客人离开俱乐部，你必须替他们签退。OPPsign in, sign sb in[v + adv][v + n/pron + adv]●ˌsign sth ˈoutto sign a document to say officially that sth can be removed from a place or that you have taken it签字（同意）取走（或带出）◆There is no record of the file being signed out again. 没有文件再次借出的签字。[v + n/pron + adv][v + adv + n]●ˌsign sth ˈover (to sb)to give your rights or property to sb else by signing a document签字转让（权利或财产）◆He signed the house over to his daughter. 他签署文件，把房产过户到了女儿名下。[v + n/pron + adv][v + adv + n]●ˌsign ˈup●ˌsign sb ˈup ( ˌsign ˈon, ˌsign sb ˈonless frequent) 1.(with/for sb)to sign a document saying that you agree to work for sb, play for their team, etc.; to persuade sb to do this签约受雇；签约雇用◆She’s signed up with an employment agency. 她已签约就职于一家职业介绍所。◆We’ve signed up three new players. 我们签约聘用了三名新队员。◆Who has been signed up to star in the new movie? 谁签约主演新电影了？2.(for sth)to arrange to do a course of study by adding your name or sb else’s name to the list of people doing it（帮某人）报名，注册（上某课程）◆I’ve signed up for a pottery course. 我已经报名上陶艺班。◆Shall I sign you up for the workshop too? 我要不要也替你报名参加讲习班？3.to agree to become a member of the armed forces; to persuade sb to do this（使）报名入伍◆He tried to sign up when he was only fifteen. 他刚十五岁就想报名参军。[v + adv][v + adv + n][v + n/pron + adv]