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BNC: 7076 COCA: 7869
ineffective
adjective /ˌɪnɪˈfektɪv/
  1. 1
    something that is ineffective does not work correctly or does not do what you want it to do 效果不佳的;不起作用的

    He dismissed the argument as ineffective. 他认为该论点无效而没有采纳。

    be ineffective in doing something :

    The policy has been largely ineffective in cutting crime. 该政策在减少犯罪方面基本没什么作用。

     Synonyms and related words
    Not effective or useful and not working correctly: useless, ineffective, inefficient...
  2. 2
    unable to do a job well 不能胜任的

    an ineffective performer 不能胜任的表演者

     Synonyms and related words
    Not skilful or able: incompetent, incapable, awful...

derived words

ineffectively

adverb
 Synonyms and related words
Not skilful or able: incompetent, incapable, awful...
 Synonyms and related words
Not effective or useful and not working correctly: useless, ineffective, inefficient...

ineffectiveness

noun [U]
 Synonyms and related words
Disadvantages: disadvantage, handicap, limitation...
BNC: 7076 COCA: 7869
ineffective

adjective

VERBS | ADVERB | PREPOSITION VERBSbe, prove, seem無效;證明無效;似乎無效These policies have proved ineffective.事實證明這些政策並不奏效。become變得無效make sth, render sth使⋯不起作用;使⋯無效The contract was rendered ineffective by this careless wording.措辭不慎致使這份合同失效。ADVERBextremely, fairly, very, etc.效果極其/相當/非常不好highly效果極其不好completely, entirely, totally完全無效;絲毫不起作用largely在很大程度上無效politically政治上不起作用PREPOSITIONagainst對⋯無效These weapons are totally ineffective against tanks.這些武器在坦克面前根本不起作用。in在⋯方面無效chemicals that are very ineffective in killing weeds除草效果很差的化學品
BNC: 7076 COCA: 7869
ineffective

adjective

ineffective ♦︎ inefficient ♦︎ unproductive ♦︎ counterproductive ♦︎ ineffectual ♦︎ self-defeatingThese words all describe sth that does not achieve what is wanted or intended, or sb/sth that does not achieve very much. 这些词均表示不起作用的、效果不佳的。PATTERNS AND COLLOCATIONS 句型和搭配ineffective / inefficient / counterproductive for sb / sthineffective / ineffectual as sthineffective / inefficient in / at doing sthto be ineffective / inefficient / counterproductive / self-defeating to do sthlargely ineffective / unproductive / ineffectual / self-defeatingrather ineffective / inefficient / ineffectualrelatively ineffective / inefficient / unproductiveentirely ineffective / unproductive / counterproductive ineffective not achieving what you want it to achieve; not having any effect 无效果的;不起作用的;不奏效的It has been criticized as an unfair and ineffective system.这种体制被批不公、无效。The missiles are totally ineffective against tanks.这些导弹根本对付不了坦克。High interest rates proved to be ineffective in reducing inflation.事实证明高利率并未有效降低通货膨胀。OPP effective successful 1 ineffectively

adverb

Why is this crime dealt with so ineffectively?对这起犯罪的处理为何如此不力? OPP effectively successful 1
inefficient ˌɪnɪˈfɪʃnt not doing a job well and not making the best use of time, money, energy, etc. 效率低的;能力差的;浪费的The regime was both inefficient and corrupt.这个政权既无能又腐败。The boss thinks the new secretary is inefficient.老板认为新秘书不称职。This method of data storage is an inefficient use of memory.这种数据存储方法浪费内存。OPP efficient efficient inefficiency

noun

[uncountable, plural] The measures encouraged inefficiency and waste.这些措施助长了低效率与浪费。inefficiencies in the system体制中的低效率现象 OPP efficiency efficiency
inefficiently

adverb

The firm was inefficiently run.该公司经营不善。 OPP efficiently efficient
unproductive not producing or achieving very much; not producing good results 产能差的;效果不佳的;成效低的I've spent yet another unproductive day.我这一天又是什么事都没干成。We had a series of unproductive meetings.我们开的一连串会议都是事倍功半。OPP productive productive counterproductive [not usually before noun] having the opposite effect to the one intended 产生相反效果;事与愿违;适得其反Increases in taxation would be counterproductive.加税将会适得其反。It would be counterproductive to act hastily at this stage.在这个阶段仓促行事会得到反效果。 ineffectual ˌɪnɪˈfektʃuəl (formal) (of a person) not achieving much; weak; (of an action) not achieving what you want it to achieve (人)无能的,软弱的;(行为)达不到目的的The president is seen as weak and ineffectual.总统被视为软弱无能。She made an ineffectual grab at the book.她去抓那本书,但没抓到。Ineffectual is used especially when sb/sth does not achieve much because of weakness or lack of the necessary ability and is used especially about people and their attempts to do sth. * ineffectual尤用以表示人试图做某事,但因为虚弱或缺乏必要的能力而不成功。 ineffectually

adverb

He struggled ineffectually to get out from behind the wheel.他徒劳地挣扎着,想从方向盘后面爬出来。
ˌself-deˈfeating causing more problems and difficulties instead of solving them; having the opposite effect to the one intended 弄巧成拙的;事与愿违的;适得其反的Paying children too much attention when they misbehave can be self-defeating.孩子有不良行为时,过度关注可能会适得其反。

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