senseless，bored，tiresome，uninteresting，disappointing ；

[例句] 他喋喋不休地说着某个无聊的电视连续剧。 He was carrying on about some stupid television series.

[例句] 事情变得有点沉闷无聊的时候，不要胆怯。 Don't be faint-hearted when things seem a bit slow or boring.

immeasurably，immensely，[法] ad infinitum，immortally，illimitably ；

[例句] 他坚持所有物质都可无限地分. He argued that all matter was infinitely divisible.

[例句] 从理论上来说直线可以无限地延伸. Theoretically, a line can extend into infinity.

inurbane，impolite，surly，disrespectful，abrupt ；

[例句] 他的唐突已到了无礼的地步。 He was abrupt to the point of rudeness.

[例句] 老师威胁着要把这无礼的小学生撵出教室. The teacher threatened to kick the impudent pupil out of the room.

clinking，crowning，unparalleled，incomparable，inimitable ；

[例句] 一般人认为有压力的事情在他看来却是快乐无比的事。 What normal people considered pressure was meat and drink to him.

[例句] 莫迪里阿尼画中的妇女都长着奇长无比的脸。 Modigliani's women have strangely elongated faces.

unerring，unimpeachable ；

[例句] 舆论的主要方面是赞同无过失汽车保险. The mass of public opinion is in favor of no - fault auto insurance.

[例句] 人们效忠君主是基于他永无过失的神话. People's faith in the Emperor was based on the myth that he was infallible.

anodontia，anodontism，agomphosis，agomphiasis ；

[例句] 通缩是化骨龙, 恶性通胀则是无牙老虎. Deflation are long bone, and a vicious inflation is a toothless tiger.

[例句] 结果: 得出了七种模型的基托及无牙颌骨的位移及应力分布值. Results: The deviation and stress distribution of the edentulous jaws and the base plates were obtained.

rudely，scurvily，impolitely，indecorously，uncivilly ；

[例句] 他们不能这样无礼地对待亲生母亲。 They shouldn't treat their mother in this disrespectful way.

[例句] 他傲慢无礼地朝元先生冲过来，面露怒容。 He came insolently towards Mr. Won, his features set in a scowl.

useless，futile，[经] null，idle，unavailable ；

[例句] 尽量避免无用的重复劳动。 Try to avoid wasteful duplication of effort.

[例句] 一轮无用的会议 an otiose round of meetings

merciless，ruthless，unmerciful，hardhearted，heartless ；

[例句] 看看有多少小企业正在遭受无情的打击。 Look at the numbers of small businesses that are being hammered unmercifully.

[例句] 这是一场残忍无情的杀戮。 This was a brutal and cold-blooded killing.

infinite，limitless，spaceless，boundless，measureless ；

[例句] 整个宇宙在无限的空间中永生。 The whole universe exists eternally in that one infinite being.

[例句] 他有无穷的精力和无限的耐心。 His energy was unbounded and his patience inexhaustible.

flawless，faultless ；

[例句] 假装系统完美无疵是徒劳的。 It would be idle to pretend the system is perfect.

[例句] 我决定,我做的饮食必须洁白无疵,象雪一样. I determined that my dinner should be as spotless as the snow.

fireless ；

[例句] 无火不生烟,无风不起浪. There is no smoke without fire.

[例句] 无火胶印差胶印机的精度请求较矮. Sclerothery offsctdruckereien on the precision of offset printing press.

inexorably，pitilessly，relentlessly，unfeelingly，flintily ；

[例句] “把她打发走。”伊芙冷酷无情地说道。 "Send her away," Eve said in a cold, hard voice.

[例句] 委员会的结论将十年来的否认和掩饰无情地揭开。 The commission's conclusions sweep away a decade of denials and cover-ups.

anonymous，unknown，[计] unnamed，innominate，anon. ；

[例句] 妮基一开口又激起了无名的怒火。 Niki's voice provoked a new bout of unreasoning anger.

[例句] 而现在，她陷入了一种无名的愤怒之中。 But for now, she is in the grip of a blind, unfocused anger.

ignorant，empty-headed，[法] guiltless，uninformed，innocent ；

[例句] 无知的观点 an uneducated point of view

[例句] 极爱吹毛求疵的人往往是心胸狭窄和无知的人. The intensely critical spirit is often the narrow - minded and ignorant one.

audacious，barefaced，brazen，cheeky，flagitious ；

[例句] 广告标准管理局控告房地产代理商使用无耻的谎言。 The Advertising Standards Authority accused estate agents of using blatant untruths.

[例句] 这位大名鼎鼎的电影制片人声色俱厉地抨击了这些说法，称之为“无耻的谎言”。 The famed film-maker slammed the claims as "an outrageous lie"

undoubted，doubtless，[法] certain，unquestioned，incontrovertible ；

[例句] 他的晋升是无疑的. His promotion was assured.

[例句] 在无情的光天化日下,这个事实是确凿无疑的. The fact stood out cut in stetl on the pitiless daylight.

rascally，roguish，blackguardly，raffish，knavish ；

[例句] 这个人的态度真有点无赖的味道. There was something quite knavish in the man's attitude.

[例句] 船长被他无赖的船员扔到水里随波漂流. The captain was set adrift by his roguish crew.

aniridia ；

[例句] 目的探讨外伤双性白内障伴无虹膜或虹膜缺损患者的有效治疗方法. Objective To inquire into an effective treatment for with injurious cataract accompanied by iridocoloboma or aniridia.

[例句] 目的探讨带虹膜隔人工晶状体在外伤性无虹膜无晶状体眼中的应用价值. Objective To study the preliminary effects of modified black diaphragm intraocular lens implantation on aphakia aniridia.

[医] anuria，anuresis ；

[例句] 广泛的皮质坏死能造成永久性无尿. Massive cortical necrosis can result in permanent anuria.

[例句] 若无尿路梗阻, 则本病具有自限性. In the absence of an obstructive lesion of the urinary tract, this illness is self - limited.