的；不可思议的；难以置信的HTTl INCONCEIVABLE- It was imthfnfcaWe that
she cou〖d be dead•她竟然去世了，
真是很难相信。Plin thinkable ► the
un.think.able noun [sing.]： Suddenly the unthinkable happened and he drewoutagun.突然，难以相信的事情发生了，他拔出了
手枪。◊ TTie rime has
come to thinfc the imthfnfcabZe (=consider possibilities that used to be
unacceptable). 现在f开f考虑以前不予考虑的事情了。
un-think-ing /An'OiQkiQ/ adj. (formal) not thinking about the effects of what you
do or say; not thinking much about serious things不计后果的；考虑不周的；不
动脑筋的 thoughtless ►un thinkingly
adv. un-tidy /An'taidi/ adj.
1
not neat or well arranged; in a state of
confusion
不整洁的；不整齐的；凌乱的：an untidy 凌乱的办
公桌◊ untidy hair 蓬乱的头发 2 (of
a person 人）not keeping things neat or well organized 无条理的；不修
边幅的：Why do you have to be so untidy?你为什么非得
这么邋遢？ EH3 tidy ► un-tidi-ly /-ili/ adv. un-tidi-ness noun [U].
untie /An'tai/ verb [VN] to undo a knot in sth; to undo sth that is tied解开…的结；打开：to untie a fcnot解开 〇 / quickly untied the package and
peeped inside. ^ 迅速拆开包裹，往里瞥了一眼。◊ He untied the
rope cmd pushe) the Soat mto the water.他解开缆绳，把小船推入
水中：
Until /an'til/ conj., prep, (also informal till, til, ^il) up to the point in
time or the event mentioned 到 时；直到…为止：Lef$ wait until th^ram^ stops.
雨停了吧。◊ t/ntiZ she spofce J hadn’t
reafced she wasn’t 直到她开口说话我才知道她不是英格兰人。◊ You}re
not going out until you've finished this.
事做完就不准出去。◊. UnriZ now J
have always ifved aZone. i ilj 现在，我一直独自生活。◊ TTi^y moved
here in 2002.
Until then theyfd always been in the London area.他们2002年搬到这里，之前一直住在伦敦地区。◊ •Hie
continueci working up until his death.他一直工作到 去世。◊ 77ie street is
/uH 〇/ traj^fiic /irom
morning tiH night.街上从早到晚车水马龙D ◊ Ylou can stay
on the bus unti7
un-time-ly /An'taimli/ adj. (formal) 1 happening too soon or sooner than is
normal or expected 过早的；不 到时间的；突然的* HE! premature : She
met a tragic and untimely death af 25.她于25岁时不幸猝然辞世。
2
happening at a time or in a
situation that is not suitable不合时宜的；不适时的H771 ill-timed： His I'nterruptioh was
unrimdy.他的插话不是时候。EEQ TIMELY
un-tir*ing /An'taierii]/
adj. {approving) continuing to do sth
for a long period of time with a lot of effort and/or enthusiasm不知疲劳的;•孜孜不倦的；坚持不懈的BEd
TIRELESS
un.titled /.An_taitld/ (of a
work of art 艺术品） without a title无题（表示不标明题目或没有名称）
unto
/_Anta;
fce/ore vovvefc _Antu/ prep. (oW wse) 1 to
or towards sb/stli 朝；向；到；）^: The angel
appeared unto him in <2 dream.泰梦+天使出现在他面前。2 until
a particular time or event ifij;到…为止：The knights swore Zoya吵unto death.骑士妇宣#至允效忠。
un-told /.An'tauld; NAmE .An'tould/ adj. 1 [only before noun] used to emphasize how large, great, unpleasant,
etc. sth is难以形容的（大、恶劣等）H771 immeasur- able : imtoZd
misery/wea〖th极度的痛苦；巨额财富◊ These gases cause untold damage to the environment & 些气体对环境瑋成难以估计的破环。2 (of a story故事） not told to anyone耒讲过的；朱叙述的
un-touch-able /An'tAtJabl/ adj., noun a adj. 1 a person who is untouchable is in a position where
they are unlikely to be punished or criticized 不岢处罚（或批评）的；管不了的：Given hispoZiticd
connections,
he thought he was untouchable.
界关系，所以自认为谁也管不了他。2 that cannot be touched
or changed by other people 不可触及（或改 变）的：77ie (Jepartment’s
bui^get is untouchabZe. i 个 部门预算是不容变动的。3 (in
belonging to or connected with
the Hindu social class (or caste)
that was considered by other classes to be the lowest (旧时印度）贱民的，不可接触者的
■ noun (often Untouchable) (in
un-touched /An'tAtJt/ adj. [not usually before noun] 1 〜（by sth) not affected by sth,
especially sth bad or unpleasant; not
damaged桌受‘响；未被损害；原封
未动：The area has remained relatively untouched by commercial devdopment.相对而言，这个地区至今没有
受到商业开发的影响。2 (of
food or drink食物或饮料) not
eaten or drunk 未食用（或饮用）；未动：She leji her meaZ untouched.她的被连动都没动。3 not changed in any way
未改变,；未修改：77ie 月nd dause in the contract wfH be untouched.合同的最后一项条款将不
作改动。
un-to-ward /.Ante'word; NAmE An'toird/ adj. unusual and unexpected,
and usually unpleasant 异會的；意夕卜 的；不幸的；棘手的：That’s the picm—unless anything
untoward happens.计划就这么定了 除非出现异常
情况。◊ He had noticed nothing untoward.他没有注意
到有$特殊情况。
un-trained /.An'treind/ adj. ~ (in sth) not trained to perform a particular job or
skill; without formal training in sth没有训练—;未经正规;^训的：untrained in keyboard
sfciHs未经键盘操作技能训练的◊ untrained
teachers 未经正规培训的教师◊ r〇 the imtraiiied eye, the products 〖oofc
remarfcaWysimiiar.这些产品在没有受过专
门训练的人看来几乎一模一样。
un.tram.melled (6r£) (NAmE un-tram-meled) /aii- 'traemld/ adj. ~ (by sth) (formal) not restricted or
limited by sth不受限制的；无兩束的；自由自在的一compare
TRAMMEL
un-treat-ed /.An'triitid/ adj. 1 not receiving medical treatment 没看接受治疗的："untreated, the
fHness can become severe.若不加以治疗，病情就可能会栾得很严
重。2 (of
substances 物质）not made safe by
chemical or other treatment 未处理的：untreated sewage 的污水 3
(of
wood 木材）not treated with
substances to preserve it未经防护ita的
un-tried /.An'traid/ adj. 1 without
experience of doing a particular job 没有经—的：She chose two untried actors jbr the /eading ro〖e5•她选了两个没有经验的演员饰演
主角。2 not yet tried or tested
to discover if it works or is successful未检验的；未经考验（或试验）的
HT1 untested ： This is a new and relatively untried procedure.这是个未经多少试验的新程序。
un-true /An'tru:/ adj. 1 not true; not based on
facts ^
真实的；假的；无事实根据的：TTiese
accusations are totaHy imtrue.这些指控纯属捏造。◊ an untrue daim不 真实的说法◊ ft is untrue to
say that something Zifce this cou〖d never happen again.说这类事情再也不会发生是毫
无事实根据的。2 〜（to sb/sth) (/orwc?/) not loyal to sb/ sth 不忠实的；不忠诚知 H23 unfaithful： If he agreed to their demands, he would have to be untrue to his own principks.假使答应他们的要求，他就得背叛自己的原
则。EDQtrue
un-trust-worthy /An'trAstw3：5i; NAmE -W3：r5i/ adj. that cannot be trusted不可靠的；不能信赖（或信任）侖
EGQ
TRUSTWORTHY
un-truth /,An'tru:0/ noun (pi. un-truths /,An'tru:6z; -'tru:0s/)
1 [C] (formal) a lie. People often say
Untruth* to avoid saying‘lie’.（ lie的委嫲说法）妄语，诳语，假话
^— compare truth 2 [U]
the state of being false 虚伪；
虚假；不真实
un-truth-ful /An'truiGfl/ adj. saying things that you
know $re not true 说谎如；禾说实话的 EGDJ truthful
► un-truthfuMy
/-feli/
adv.
im.tumed /_An’t3:nd; AMmf _An_t3:rnd/ ITBITI see stone n.
un-tutored /.An'tjuitad; NAmE .An'tuitard/ adj. {formal) not having been formally taught about
sth 未接受正规
教育的未受过正式训练的
un.typ.ical /An_tipikl/ ~ (of sb/sth) not typical 不典 型的；无代秦性的；免特征的：anumypfaiZemmpZe非 典型的例子‘◊ Sc/iooZs fn this area are quite imtypfcaZ 〇/