defend oneself，self-defense，self-defence，self-protection ；

[例句] 那些拿起武器自卫的人是些政治犯。 Those people who took up weapons to defend themselves are political prisoners.

[例句] 我们所有的警察都接受过自卫训练，能够对付持刀袭击。 All our officers are trained to defend themselves against knife attacks.

autocorrelation，self-correlation ；

[例句] 研究得到了MARMA模型的平稳性条件和自相关函数. The stationary conditions and autocorrelation function of the MARMA process are investigated.

[例句] 针对平稳自相关过程,提出了一种过程能力分析方法. A method of process capability analysis for stable autocorrelation is proposed.

autopepsia，isophagy，autolysis，autolyze ；

[例句] 胎儿尸检显示非特异性自溶现象. Necropsy of the fetus reveals autolysis which is nonspecific.

[例句] 它们可能自溶而不会形成稳定的多核体. They are likely to lyse rather than to form stable polykaryons.

self-confident，believe in oneself，assuredness，be sure of oneself，self-confidence ；

[例句] 他从未表现出他前任的那种近乎傲慢的自信。 He has never exhibited the self-confidence, bordering on arrogance, of his predecessor.

[例句] 晚上的演出很糟，所有人都缩手缩脚，显得很不自信。 The evening show was terrible, with hesitant unsure performances from all.

（自己负责） be responsible for one's own action，think highly of oneself，be conceited，conceit，gasconade ；

[例句] 他让我们纠正错误，否则后果自负。 He told us to put it right, or else.

[例句] 我告诉他，如果他退出，责任自负。 I told him if he withdrew it was on his own account.

complacent，self-satisfied，self-contented，self-complacence，self-satisfaction ；

[例句] 洛先生告诫说不能自满。 Mr Lowe warned against complacency.

[例句] 这种自满情绪正使公司付出沉重代价。 Such complacency is costing the company dear.

obstinately holding to one's own view，opinionated，personal，for private use，help oneself ；

[例句] 我们花了很多钱买波希米亚玻璃制品送人和自用。 We splurged on Bohemian glass for gifts, and for ourselves.

[例句] 他种农作物主要是为了家庭自用。 He raises crops mainly for the use of his family.

sing one's own praises，crack oneself up，boast，braggadocio，jactation ；

[例句] 我并非自夸，我的厨艺的确高超。 I'm a good cook, though I say it myself.

[例句] 他的话不仅仅是虚张声势的自夸。 His statement isn't merely an idle boast.

autotrophy，autrophism，autotrophic nutrition ；

[例句] 自养突变体是从同株同核融合类群的6个不同的原种菌系制备的. Autotrophic mutants were prepared from six different stocks of the homoictic group.

[例句] 硝化细菌是化能合成的自养生物. The nitrifying bacteria are chemosynthetic autotrophs.

nature，natural world，naturally，of course；

[例句] 记住：保持乐观的心态，好事自然会发生。 Remember, keep a positive attitude and good things will happen.

[例句] 最重要的是他要做到尽可能自然。 It was imperative that he act as naturally as possible.

automatic control，autocontrol，self-control，automatic regulation ；

[例句] 他依然是面无表情, 自控 能力是如此之强. His face remained impassive, so strong was his self - control .

[例句] 孩子们被马戏团的表演激动得失去了自控. The children were carried away by the excitement of the circus.

[控] robot，automat，automata，automaton ；

[例句] 有限自动机的确定华, NFA到DFA的转变. Determination of finite automata China, NFA to DFA transformation.

[例句] 自动机理论是编译程序中单词识别的基本理论. Automaton theory is a basic theory of compile routine for identifying words.

alone，by oneself，one's own，auto-，myself ；

[例句] 我结婚前曾独自在那儿住过。 I lived there once myself, before I got married.

[例句] 想象一下那长长的金色海滩吧，在那里你可以独自徜徉。 Imagine long golden beaches where you can wander in solitude.

（克制自己） self-control，self-restraint；

[例句] 他自制、矜持和冷漠得几乎有些不近人情。 His self-control, reserve and aloofness were almost inhuman.

[例句] 这关爱使我不能自制，令我失声痛哭。 Kindness breaks me up; it makes me cry.

self-excitation，autoexcitation ；

[例句] 他得自励自强. He had to pull himself up by his own bootstraps.

[例句] 这是著名的自勉 自励 的诗. This is a well - known poems encourage each other and self - stimulation .

personally，in person，oneself，in body，in the flesh ；

[例句] 她亲自前往纽约领奖。 She went to New York to receive the award in person.

[例句] 那位要人到达时，俱乐部经理亲自陪他上楼。 When the great man arrived, the club's manager personally escorted him upstairs.

free，unrestrained；

[例句] “噢，”她有些不自在地说道，“是什么？” "Well," she said a little uneasily, "what is it?"

[例句] 在卢克母亲审视的目光下，我感到极不自在。 I felt so self-conscious under Luke's mother's intense gaze.

privately，secretly，without permission ；

[例句] 本阅览室参考书不得私自携出. No reference books are to be taken out of the reading room without permission.

[例句] 他们雇了一些彪形大汉，将附近私自占点的商贩都赶走了。 They had employed heavies to evict shop squatters from neighbouring sites.

be self-assured for having sth. or sb. to rely on，count on，capitalize on，self-reliance ；

[例句] 他生性高傲自恃而又易于发怒,这会毁了他的. His pride and choleric temper were to ruin him.

[例句] 自恃不是一种讨人喜欢的品质. Self - confidence is not an endearing property.

voluntarily surrender oneself，confess one's crime，make a political recantation，surrender to the enemy，cop-out ；

[例句] 对于那些不肯自首的罪犯应予缉拿归案。 Those who do not come forward should be hunted down.

[例句] 劫持者向警方自首了，目前警方正在审讯他。 The hijacker gave himself up to police, who are now questioning him.