英:[rɪˈteɪn]
美:[rɪˈteɪn]
英:[rɪˈteɪn]
美:[rɪˈteɪn]
re·tain
rih teIn
第三人称单数:retains
现在分词:retaining
过去式:retained
过去分词:retained
retainable (adj.), retainability (n.), retainment (n.)
词根:retain
n.retainer 保持器;家臣;保持者;[机] 护圈;预付费用
Verb
1. hold within;
"This soil retains water"
"I retain this drug for a long time"
2. allow to remain in a place or position;
"We cannot continue several servants any longer"
"She retains a lawyer"
"The family's fortune waned and they could not keep their household staff"
"Our grant has run out and we cannot keep you on"
"We kept the work going as long as we could"
3. secure and keep for possible future use or application;
"The landlord retained the security deposit"
"I reserve the right to disagree"
4. keep in one's mind;
"I cannot retain so much information"
这组词都有“保持,保存”的意思,其区别是:
conserve一般指保存自然资源,保全人的精力、力量等。
reserve正式用词,指为了将来的用途或其他用途而保存、保留。
retain指继续保持。
withhold指扣住不放,暗示有阻碍。
preserve主要指为防止损害、变质等而保存。
keep最常用词,指长时间牢固地保持或保存。
以上来源于网络
14世纪晚期,“继续保持,保持附着于一个人的身上”; 15世纪初,“阻止,抑制”(现在已过时); 来自古法语 retenir “保持,保留; 进入封建服务; 阻止; 记住”(12世纪),源自拉丁语 retinere “阻止,保留,拘留,抑制”,来自 re- “向后”(参见 re-) + tenere “持有”(来自 PIE 根 *ten- “伸展”)。
“让(另一个人)保持附着于自己的人身上,保持在服务中”的意思始于15世纪中期; 特别是律师从1540年代开始使用。意思是“保持在头脑中,保留知识或想法”始于大约1500年。相关: Retained; retaining。
保持
维持
保留
Middle English reteinen, retainen, from Anglo-French retenir, reteigner, from Latin retinēre to hold back, restrain, from re- + tenēre to hold — more at thin
The first known use of retain was in the 15th century
retake1 of 2verb
to take againespecially: to photograph again
retake2 of 2noun
a second photographing, filming, or recording to improve upon the first
retainverb
to keep in possession or use
you will retain your rights as a citizen
to keep in pay or in one's serviceespecially: to employ by paying a retainer
retain an attorney
remember sense 3
I can't retain phone numbers
to hold secure or unchanged
land retains heat longer than water
retainverb
to keep in possession or use
you will retain your rights as a citizen
to keep in pay or in one's serviceespecially: to employ by paying a retainer
retain an attorney
remember sense 3
I can't retain phone numbers
to hold secure or unchanged
land retains heat longer than water
retainer1 of 2noun
a fee paid (as to a lawyer) for advice or services or for a claim upon services in case of need
retainer2 of 2noun
a servant or follower in a wealthy household
one that retains
a usually removable dental device used to hold teeth in correct position especially following orthodontic treatment (as with braces) called alsobite plate
retainverb
to keep in possession or use
you will retain your rights as a citizen
to keep in pay or in one's serviceespecially: to employ by paying a retainer
retain an attorney
remember sense 3
I can't retain phone numbers
to hold secure or unchanged
land retains heat longer than water
retainverb
to keep in possession or use
you will retain your rights as a citizen
to keep in pay or in one's serviceespecially: to employ by paying a retainer
retain an attorney
remember sense 3
I can't retain phone numbers
to hold secure or unchanged
land retains heat longer than water
retaintransitive verb
to hold or keep in
retain fluids
to keep in mind or memory
1 Regular reviews can help you retain new knowledge.
定期复习可以帮你记住新的知识.
2 I had gone direct to Mr. Jaggers at his private house, on my arrival over night, to retain his assistance, and Mr. Jaggers on the prisoner’s behalf would admit nothing.
3 Books banned or retained by the Carroll County reconsideration process may not be re-evaluated for school use for three years after the initial request for reconsideration, according to CCPS policy.
4 The doctors claim Frederick retains no memories, that his brain maintains only basic functions, but there are moments when she wonders.
5 The dreams had been terror at loss, at something lost forever; but nothing was lost; all was retained between the sky and the earth, and within himself.
6 St Lucia is clearly an island on the move; one can only hope that it will retain its unspoilt charm.
显然,圣卢西亚是一个发展中的岛屿;人们只能希望,它将保持它那未受破坏的魅力。
7 Many of them would retain lifelong memories of the first time they heard Ernest Lawrence describe the cyclotron.
8 My fingers bled from scraping out the rocks and it seemed that a square yard of ground produced a wheelbarrow full of rocks which I had to push down to the retaining wall.
9 This was once the land of air sprays, pine and floral, and people retain the taste; especially the Commanders, who preach purity in all things.
10 David brought her up a bit more into the wind as he sailed between the two breakwaters made of huge stones, two retaining walls that stuck out into the ocean.
11 The old method dictated that in the event all the games were played and there was a tie, the reigning champion would retain the title.
12 Mrs. Levy, though, had issued orders that Miss Trixie was to be retained, no matter what.
13 I still wasn't sure how much Joan knew, after our trip to the Emergency Ward, but a few days later she had come back to live in Belsize, retaining, however, the freest of town privileges.
14 It was the same size and shape as the retaining pond in his own neighborhood.
15 If the barrio or ghetto child can retain his separateness even while being publicly educated, then it is almost possible to believe that there is no private cost to be paid for public success.
16 More surprising still, the ceramics in the farm’s terra preta indicate that the soil has retained its nutrients for as much as a millennium.
17 Joe Varney saw clearly that the body before him proclaimed an easy confidence and that Bull still retained the violent frame of his youth.
18 He struggled to retain control of the situation.
他曾努力保持对局势的控制。
19 She wondered if it was affected, or if his religious freedom allowed him to retain whatever scarring caused the limp.
20 He drove the idea in somehow, and that pupils would retain it.
他总算把这个概念硬灌了进去, 并希望学生们记住它.
1 挡住
ward obstruct block out stave off repel Scotch occlude withstand freeze up catch baffle backstop
2 维持
sustaining keep support maintenance retention conservation upkeep sustenance last hold carry maintain observe preserve sustain prop entertain uphold persevere underprop sustentative preservation keeping rule lie sustentation sustention possess affirm
3 不变
same set constant uniform stationary steadfast unchanging unaltered unchangeable invariable changeless uninflected inalterable uniformity
4 不放弃
11 能记住
12 保持
retentive hold maintenance retention keeping holdfast keep maintain observe holding bear possess sustain poise preservation make preserve uphold nourish conservation continuance stay save sit reserve go continue exercise respect hold on to bind buoy lie abide held last leave cling to hold down seal in sustenance have persist rest
13 记住
larn remember learn by heart make a mental note commit to memory fit in memory keep in view keep in mind keep track of have in mind memorize bear in mind study stay store mind register file away store away learn keep sight of know bear carry with one recall keep count store up keep score impress catenate
14 聘请
15 能保持
16 保存
preservative keep reserve maintenance conservation preservation keeping reposition conservancy preserve conserve reposit reservation capture repertory candy salvage mothball save fix in mothballs fixation live trap cure hold onto to hold on to hang onto
18 雇用
hack hired hire employment retainer hackney buy assume employ wage recruit hire on paid service engagement have keep engage featherbed venal take into service job sign fee
20 保留
saving reserved aside hold reserve suspension reservation retention slipway stet pause keep save withhold detain suspend set by leave on laid up preservation preserve carry over continue leave in hang on to straight standoffish backlog knock-down qualification keeping Salvo reticence be left with held leave conserve keep back hold onto to hold on to hang onto lie put aside remain lay aside hold onto but salvo abeyance reticency