assuredly，beyond dispute，no doubt，sure，undoubtedly ；

[例句] 气温记录清楚无疑地证实了全球气候正在变暖。 Temperature records have unequivocally confirmed the existence of global warming.

[例句] 卡尔森对人的感情无疑地帮助保住了他那协同工作的牌子. Carlson's feeling for people undoubtedly helped him maintain his brand of teamwork.

reticent，taciturn，wordless ；

[例句] 她向我伸手表示无言的谢意. She gave me her hand with mute thanks.

[例句] 萨姆纳会冲我们皱眉，做苦脸，竭力表示他无言的反对。 Sumner would greet us with frowns and grimaces, doing his best to express wordless disapproval.

dumbly，mutely ；

[例句] 被他的无礼而冒犯, 她冷冷地、无言地盯着他. Affronted at his impertinence, she stared at him coldly and wordlessly.

[例句] 经过这件事, 两位同伴无言地分手了. With this, the two companions wordlessly separated.

dumbness，muteness，reticence，taciturnity ；

[例句] 我们相顾无言。 We looked at each other in silence.

[例句] 被他的无礼而冒犯, 她冷冷地、无言地盯着他. Affronted at his impertinence, she stared at him coldly and wordlessly.

[机] endless ；

[例句] 无端的负罪感压得她喘不过气来。 The weight of irrational guilt pressed on her.

[例句] 无端的侵犯行为 an act of unprovoked aggression

exhaustive ；

[例句] 他们还要作什么准备 -- 巨细无遗的准备和组织 吗 ? What else had they got ready -- prepared and organized to the last inch?

[例句] 他们还要作什么准备 - 巨细无遗的准备和组织 吗 ? What else had they got ready - prepared and organised to the last inch?

impiety，infidelity ；

[例句] 以致弟兄与弟兄互相控告, 且在无信仰的人面前控告? But rather brother goes to court against brother, and that before unbelievers?

[例句] 你是否认为自己可以在无信仰的状况下达到崇高. Do you feel that you can be spiritual without having a religion?

fatherless，unfathered ；

[例句] 3我们是无父的孤儿; 我们的母亲好象寡妇. We are and fatherless , our mothers are as widows.

[例句] 我们是无父的孤儿.我们的母亲好像寡妇. We have become orphans and fatherless, our mothers like widows.

[医]feebly ；

[例句] 他无力地耸耸肩，扭动身体想要挣脱。 He gave a feeble shrug and tried to squirm free.

[例句] 马西娅苍白无力地一笑，摇了摇头。 Marcia smiled wanly and shook her head.

fugacious，fugitive，short-lived，uncertain ；

[例句] 他们不能容忍反覆无常的拥护者. They have no use for fickle supporters.

[例句] 新话, 双重思想, 变易无常的过去. Newspeak, doublethink, the mutability of the past.

immaculate，indefectible，pure，virginal ；

[例句] 她将自己无瑕的肌肤归功于所使用的保湿霜。 She attributed her flawless complexion to the moisturiser she used.

[例句] 她穿了一身洁白无瑕的衣服。 She was dressed in virginal white.

glabrous，hairless，smooth，[医] depilous ；

[例句] 刷子状的尾巴属于缺陷, 整个无毛或部分无毛的尾巴也属于缺陷. A brush tail is a fault, as is also a partly or wholly hairless tail.

[例句] 顶可怜的是那长而无毛的脖子, 那么长,那么秃, 弯弯的,愚笨的,伸出老远, 像条失意的瘦龙. Most pathetic were their hairless neck, so long and clumsy , caning out like scraggy, disconcerted dragons.

helpless，unassisted，unbacked，[法] single-handed，silly ；

[例句] 很多失聪者都有孤独无助的感觉。 Many deaf people have feelings of isolation and loneliness.

[例句] 他们并非无助的受害者。 They are not merely helpless victims.

hopelessly ；

[例句] 她无望地要找个地方申请职业. She cast about vainly for some possible place to apply.

[例句] 而我能做的,仅仅是无望地目睹着一切的发生. I had to sit helplessly and watch all of it happen.

impeccability，immaculacy ；

[例句] 买骡无缺点,只好自己走. He who wants a mule without fault must walk on foot.

[例句] 上帝的施政并无缺点, 也无任何足以引起不平的因由. There was no defect in God's government, no cause for disaffection.

selflessly ；

[例句] 我从未见过如此无私地关心孩子的人。 I've never known anyone who cared so selflessly about children.

[例句] 你无私地帮助了我们. It was unselfish of you to help us.

[法] sad sac ；

[例句] 暴力是无能者的最后手段. Violence is the last refuge of the incompetent.

[例句] 是无能者、孤儿和无一技之长之类人的天堂. It's a heaven for reptiles and orphans and people with no skills , what so ever?

indiscipline ；

[例句] 颠倒了,真是有组织无纪律. 明年还得“踢”. So confused. Disorderly! Next year we should kick off again.

[例句] 该国目前的财政过度并非缺乏财政纪律造成的, 而是私人部门无纪律的结果. Today's fiscal excesses are not the result of fiscal indiscipline, but of private indiscipline.

indiscrimination，indistinguishableness ；

[例句] 实际上并无差别. There is practically no difference.

[例句] 无差别曲线可以与地图上的等高线相比拟. The indifference curve may be compared with a contour line on a map.

all-or-none ；

[例句] 反对非法毒品的无效果的运动. An inefficient campaign against illegal drugs.

[例句] 单凭个人努力是无效果的. Mere personal effort is futile.