shouW be there.你应该到场，这对我很重要。◊ I7ie important t/iing is to
fceep trying.重要的是要不断尝试。
2 (of a person A) having great influence or
authority 响很大的'；权威的：an iVnpo/tfmt member 〇/ the team 举足轻重的一私队员’◊ He ZifceS to
/ed ijnportant._他 i欢嬅到.自S很重要。►—屮0|1>3咐.丨^ ^ : More
fmportan办，can he ’ be trusted ?更重寒'的痦，伴值得信任
吗？ ◊ She was
sftri/ig importantly behind, a big desfc•她 .神气士足地坐准二'訑大写‘字台语面。
im-port-er /im'poita^); NAmE -'poirt-/ noun a person, company,
etc. that buys goods from another country to sell them in their own country 从事进口'的人’（或公司
等进口商：a London-based
importer of Italian goods 设在伦敦的意大利产品进口商一 compare
exporter im-por-tun-ate /im'poitj'anat; NAmE -'po:rt-/ adj. {formal) asking for things many
times in a way that is annoying 再三要求的；纠缠不休的
im-por-tune /.impoi'tjuin;
NAmE -poir'tuin/ verb [VN, VN to inf] ~ (sb) (for sth) (formal) to ask sb for sth many
times and in a way that is annoying 再三要求；纠缠
PESTER
OSe
/im'pauz;
NAmE im'pouz/ verb
1
[VN] - sth (on/upon sth/sb) to introduce a new
law, rule, tax, etc.; to order that a rule, punishment, etc. be used推行，采用（规章制度）；强制实行:A
new tax was imposed on力id.当局开始对燃油征收一项新税。
2
[VN] ~ sth (on/upon
sb/sth) to
force sb/sth to have to
deal with sth that is
difficult or unpleasant 迫.使.； 把…强力tl 于to impose
.Hmitations/restrictions/ constraints pn sA强行限制/管制/约束某事物◊ This system
imposes additional financial burdens on many peopZe.这个制度给很多人增加了额外的经济负担。3 [VN] 〜sth (on/upon sb) to make sb accept the
same opinions, wishes etc. as your own 使（别人）接受自 B
的意见：She didrCt want to impose her values on her /am«y.她并不想勉强家人接受自己的价值观。◊■ftwos noticeable
how a few people managed to impose their wfH on the others.显而易见，有少数几个人邊法把自已
的意志强加于别人。4 [V] ~ (on/upon
sb/sth) to
expect sb to do sth for you or to spend time with you, when it may not be
convenient for them 勉强（某.人做某事 > ; 硬奏…和…在一起：You must stay /or
Zunc/i. ’ ‘WeZZ, thanks, but I don’t want to impose 你一定得留下吃
午饭。”“唔，谢谢，但我不想添麻烦…”
◊Everyone imposes on Dave’s good nature•大家都欺负戴夫脾气好。
5 [VN]〜yourself (on/upon sb/sth) to make sb/sth accept
or be aware of your presence or ideas 使接受.r 使意识 到（自_ 己的在场或想€) K European
civHizaticm was the
to impose fteeZ/across
the whoZe vvor[d•欧洲文明是
最先传f到全世界的。
im-pos-ing
/im'pauzir)； NAmE -'pouz-/ adj. impressive to look at;
making a strong impression 壮观的；使人印象
深刻的：a grand and imposing
bidding 壮观的i余
物◊ a taH imposing
woman高大壮硕的女人
im-pos-ition
/.impa'zijn/
noun 1 [U] the act of introducing
sth such as a new law or rule, or a new tax ( |ff 法律或规则等的）颁布，实施；（新税的）征收：the fmpositi'on
o/martiaZ iaw 戒严令的实施◊ the imposition
〇/ tax on domesticpei 家用燃一•税的征收 2
[C] an unfair or unreasonable thing that sb expects or asks you to do 不公平（或不合理）的要求：_ J’d Wee to stay
i/it’s'not too muc/z 〇/an imposition.如果不会给您增添太多麻烦，我
_倒愿意留1。
ilTI*p〇S*sible /im'pDsabl; NAmE-'^a:s-l adj.
1
that cannot exist or be done; not possible
不可能存在 (或做到）的；不可能的：aZmost/vfrtuaHyimpossible
.■几參 / 实际土不◊ It’s
fmpossiWe/or me to be there be/ore eight•我在八点之前不可能赶到那里。◊ impossible to prove.' 这件事无法证实。 ◊
ft fmpossfWe to he to her.我觉得无‘对碰撒谎。◊ an impossible dream/goa〖无法实现的梦想/目标033 possible
2
very difficult to deal
with 难处的；很难对付的：J’ve been ptoced in cm
(mpossfWe position•我陷入了进退雒
谷的境地。◊ Honesriy,
you’re impossfWe at times/ 说实
话，知有时真令人难以忍受。3 the
impossible now/?
[sing.] a thing that is or seems impossible (似乎）.不可
能的事：to attempt the impossible明知不奇另而
► im*pos-si*bil-ity /im.pDsa'bilati; NAmE -,pa:sa-/ nou
1025 impregnable
[U, G, usually sing.] {pi. -ies) ： the sheer impossibility of providing enough food
for everyone 供足够的食物virtucii impossibiHty几乎不可能的事
im-pos«sibly
/im'posabli;
NAmE -'pais-/ adv. ： Cm impossibly difficult problem (= impossible to
solve)
解决的表题◊ He was
fmp.ossibiy Ziandsome (= it was difficult to believe that he could 'be so
handsome).简直 难以相信他有这么英俊。
itml-pos-tor (BrE also im-pos-ter) /im'pDst0(r); NAmE -'pais-/ noun a person who pretends to be sb else in order to
trick people冒名顶替者；冒名行骗者
im-pos-ture
/im'pDstXa(r); NAmE -'pais-/ noun [U, C] {formal) an act of tricking people deliberately by
pretending to be sb else
im-po-tent /'impatant/ adj.
1 having no power to
change things or to influence a situation 无能为4 的； 不起作用的 H33
powerless: Without the chairman^ support, the
committee is impotent. 'S W±0 W ^
员备是免能为力的。◊ She Wazed with
impotent rage.她 勃然大怒，但于事无补。2 (of a man男子）unable to achieve an erection and therefore unable to
have full sex 性无能的；阳痿的► im-po-tence_ /•impatens/ /iotv/7
[U]: a feeling of impotence in the face of an apparently insohibie
probZem面对似乎无法解涣的问题的束争无策£ 感◊ mde impotence 阳療 irti.po.tenf.ly
adv.
im-pound
/im'paund/
verb [VN] {law 1 (of
the police, courts of law, etc.警察.、法庭等）to take sth away from
sb, so that they cannot use it 暂肘欲收；扣押 HTTl
confiscate： The car was impounded by the police after the accident.那辆韦茬发军案祸之后被警察扣留了‘。2 to
shut up dogs, cats, etc. found on the streets in a pound, until tiieir owners collect .them.收留（待领的狗、猫等） im-pov-erish /im'pDvariJ; NAmE -'pa:v-/ verb [VN] 1 to make sb poor 使贫■穷：These changes are
likely to impoverish single-parent families even further.
很可能使单亲家庭更加贫困。2 to make sth worse in
quality 使贫瘠；使枯竭：Intensive cultivation
has impoverished the soiZ. il 约耕作使土壤变得贫瘠 a ► im- poy-er-ish-ment noun [U]
im-pov-erished
/im'pDvariJ't;
NAmE -'pa:v-/ adj. 1 very poor;
without money 赤贫的；■'不名一文的：impover- is/ied peasants.贫困扣农民.◊ the impoverished areas 〇/ the cia 这个城古.的会民捧p’;note at poor 2 poor in quality,
because sth is missing 贫芝^的；贫瘠的；&竭的 im-prac-tic-able /im'praektikabl/ adj. impossible or very
difficult to do; not practical in a particular situ- ation 不司■行的；不切实释的：wouW be i/npracticabZe
for
each member to be consulted on every occasion. ^ 能莓一次都征舉每个成员的意见。一compare impractical^) . EQ3 practicable) im-prac-tic abil-ity /im- .praektika'bilati/ noun [U]
im-prac-ti-cal /im'praBktikl/ adj. 1 not sensible or
real- istic.不明智的不现实的：Jt was totaHy
impracricaZ to thinfc that we couW/inish thejob in two months•认为我 们能在两个月之内完成这项工作，这完全基不切实际的。
—compare
impracticable 2 (of people A) not good at doing things
that involve using the hands; not good at planning or organizing things 羊*不灵巧的;木善于规 划（或组织）的 E33 practical ►im.prac.ti.ca_.ity /im.praekti'kaelati/ noun [U]
im-pre-ca-tion /.impri'keiXn/ noun {formal) a curse (=an offensive word that is used to express extreme anger)咒语
im-pre-cise /.impn'sais/ adj. not giving exact
details or making sth clear不确切的；不精确的；不明确的BQCl inaccurate ： an imprecise
definition 不确切的..定.义◊ imprecise in/ormatiem
不准确的信息◊ 77ie witness’s
descriptions were too imprecise to be of any real value. ® 人的描述太不明确，没有任何实际价值。ELH PRECISE ►
im.pre.cije.ly adv. : These terms are often
used imprecise^
and interchcmgeaWy.这些术语的使用常常不
够精确，而且常常交互使用。im.pre.ci.sion/,imprilsi3n/ noun [U] ： There
is considerable imprecision in the terminoZogyused所用的术语相当不准确。
im-preg-nable /rtn'pregnabl/ adj. 1 an impregnable
building is so strongly built that it cannot be entered by