n (1) 1)保证(书);保修单((written or printed) statement by a manufacturer of goods that the goods will be repaired or replaced if anything is wrong with them within a certain time)[C][N (against)]：provide a～against mistakes/errors/rust 提供无错误/无差错/不生锈的担保;(radio/television)come with/carry a twelve months'～(收音机/电视机)保修12个月;a six-month～with/on a television set for all repairs 电视机有六个月的保修期;The car is still under～. 该汽车还在保修期内。 give (sb) one's～that an enquiry will be held 向某人保证将进行一项调查;give～s of full employment 给予全面就业的保证;demand certain～s about verification 要求出具某些有关证明的保证;

(2) 1)承诺，担保(agreement to be responsible for the fulfillment of sb else's promise，esp for paying a debt)[C][N (of)，N+that]：give one's～to the bank for ￡500 向银行提供借款500英镑的担保书;I gave my～to the company that I would pay back the loan for my friend.我向公司担保为我朋友还贷。2)担保物，抵押物(sth valuable，eg document，property，money that will be handed over if a promise，contract is broken)[C]：sufficient/a money-back～充足的/退款保证金;need some kind of～需要某种抵押品;give the bank the papers as a～把文件给银行作为抵押;offer sth as a～以……作为抵押;

(3)担保(保证)人(person who gives a guarantee)[C]：act as a～for sb's loan/for sb's buying a car 为某人贷款/买汽车做担保人;be a～of sb's good behaviour 为某人的好品行做担保人;

(4)可作保证之物(thing that makes sth likely or certain)[C][N (of)，N+that]：Wealth/Beauty is no～of happiness/success. 财富/美貌绝不是幸福/成功的保证之物。There is no～that I'll be able to come. 不能保证我能够来。Have you any～that you will succeed? 你能够保证你会成功吗?(hard work) be no/some～against failure(努力工作)并非是/是不失败的保证;〖同〗 assurance;

v (1)担保，保证(promise sth/sb，state firmly that sth will happen))[T+n，T+that，T+to-inf，C+n+adj通常pass，C+n+to-inf 通常pass，D+n+n，D+n+prep(to)]：～delivery within three days/one's workers' regular employment/sb's security 保证在三天内送货/工人们有固定的工作/某人的安全;～that this will work/sb will keep word 保证这个办法可行/某人会遵守诺言;～to be there tomorrow/free the captives 保证明天到那里/释放俘虏;The food is～d free of additives.该食品保证不含添加剂。～sb a seat/a good time/a job 保证给某人一个座位/让某人玩得愉快/给某人一份工作;Shopkeepers～satisfaction to customers. 店主们保证让顾客们感到满意。(Policy)～sb against all loss/fire/theft(保险单)保所有的损失险/火险/失盗险;

(2)(法律)担保(保证)((in law) give a guarantee to sb about sth)[T+n，T+to-inf，T+that]：～(the payment of) sb's debts 担保(偿还)某人的债务;～to pay debts 保证付清债务;～that one will pay one's loans 保证自己会偿还贷款;

(3)保修((of a manufacturer) give a guarantee on sth manufactured and pay the cost of repairs resulting from a fault in an article)[T+n，T+n+prep (against)]：～the watch/the toaster for 2 years 对手表/烤面包电炉保修二年;(car/clock) be～d against mechanical defects/faulty workmanship 对(汽车/钟表)机械故障/工艺毛病保修;

(4)确保(make sth likely to happen)[T+n]：(equality/sb's turning up)～happiness in love/the success of the meeting(平等/某人的出席)确保爱情会幸福/会议会成功