记忆方法
双解例句
小知识
Obtain means to get something that is not so easy to come by such as knowledge, rights, or a large amount of money. You wouldn't say you obtained a pair of pants, unless they were one of a kind.
At times in its history, obtain has meant to be victorious or to succeed. Today, it mostly means to acquire, but keeping its prior meanings in mind helps you to use it in the right way. College degrees are something that you obtain as is permission from your parents to go to a party. When you obtain something, you have worked hard to get it, so you are pretty happy to have it.
实用短语
常用短语
单词用法
acquire：强调通过不断的、持续的努力而获得某物，也指日积月累地渐渐地获得。书面语用词。
obtain：较正式用词，着重通过巨大努力、要求而得到所需或盼望已久的东西。
gain：侧重指经过努力或有意识行动而取得某种成就或获得某种利益或好处。
get：普通用词，使用广泛，可指以任何方式得到某物，也不一定要经过努力。
win：主要指通过努力、斗争、比赛等而获得胜利。
earn：侧重指依靠自己的劳动或因付出代价与有功而获得。
secure：强调要通过努力或竞争，或需要付出代价才能获得所渴望的东西。
obtain information获得信息；索取资料或合同
obtain evidence取证
词根词缀
词根: tain
1. =hold,表示”拿住,握住,支撑”; 2. 挽留
adj.
attainable 可到达的,可得到的attain[v.达到;获得]+able可以……的→adj.可到达的,可得到的
pertinent 恰当的;有关的pertain[[v.属于,关于]]男→adj.恰当的;有关的
n.
container 容器;集装箱contain包含,容纳+er表名词→n.容器;集装箱
entertainment 款待, 娱乐, 娱乐表演entertain娱乐,招待+ment表名词→n.款待, 娱乐, 娱乐表演
retention 保留,保持,保持力,记忆力retain[[v.适合,保持,保留]]→n.保留,保持,保持力,记忆力
attainment 完成,成就attain[v.达到;获得]+ment表名词→n.完成,成就
v.
attain 达到;获得at加强动作+tain拿住→获得
contain 包含,容纳;容忍,抑制;可被……除尽con全部+tain拿住,握住,支撑→全部拿住→包含,容纳
detain 耽搁;扣押,拘留de加强动作+tain拿住,握住,支撑→拿住,拿下→拘留
entertain 娱乐, 招待, 接受, 怀抱enter进入,走进+tain挽留→使……挽留→休息,娱乐
maintain 维修,保养,维持,供养,坚持,主张,支持main=man+tain拿住,握住,支撑→用手拿住→坚持
obtain 获得,得到ob加强动作+tain拿住,握住,支撑→拿到,获得
pertain 属于,关于per始终+tain拿住,握住,支撑→始终拿着→属于,关于
retain 适合,保持,保留re回来+tain拿住,握住,支撑→拿回来→保留
sustain 支撑;承受sus下面+tain握住→在下面握住→支撑
同义词辨析
这些动词均含”获得，取得，得到”之意