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BNC: 7076 COCA: 7869

ineffective

adjective
/ˌɪnɪˈfektɪv/
/ˌɪnɪˈfektɪv/
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  1. not achieving what you want to achieve; not having any effect無效果的；不起作用的；不奏效的
    • The new drug was ineffective.新藥不起作用。
    • ineffective management管理不善
    • ineffective in doing something The law proved ineffective in dealing with the problem.事實證明這條法規未能真正解決問題。
    opposite effective
    Extra Examples
    • These policies have proved ineffective.事實證明這些政策並不奏效。
    • These weapons are totally ineffective against tanks.這些武器在坦克面前根本不起作用。
    • chemicals that are very ineffective in killing weeds除草效果很差的化學品
    • High interest rates proved to be ineffective in reducing inflation.事實證明高利率並未有效降低通貨膨脹。
    • It has been criticized as an unfair and ineffective system.這種體制被批不公、無效。
    • She was offered psychotherapy, but this proved ineffective.她接受了心理治療，但這證明是無效的。
    • The evidence demonstrates that punishment is ineffective as a deterrent.證據表明懲罰作爲一種威懾是無效的。
    • The exemption clause in the contract is rendered ineffective by the new law.新法律使合同中的免責條款變得無效。
    • The government continued with its much-publicized but largely ineffective policy of economic sanctions.政府繼續推行其廣爲宣傳但基本無效的經濟制裁政策。
    Topics Change, cause and effectc1, Difficulty and failurec1
    Oxford Collocations Dictionaryverbs
    • be
    • prove
    • seem
    • …
    adverb
    • extremely
    • fairly
    • very
    • …
    preposition
    • against
    • in
    See full entry
    Word Originmid 17th cent.: from in- + effective.
BNC: 7076 COCA: 7869
ineffective

adjective

VERBS | ADVERB | PREPOSITION VERBS➤be, 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。ADVERB➤extremely, 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PREPOSITION➤against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. 這些詞均表示不起作用的、效果不佳的。PATTERNS AND COLLOCATIONS 句型和搭配◆ineffective / inefficient / counterproductive for sb / sth◆ineffective / ineffectual as sth◆ineffective / inefficient in / at doing sth◆to be ineffective / inefficient / counterproductive / self-defeating to do sth◆largely ineffective / unproductive / ineffectual / self-defeating◆rather ineffective / inefficient / ineffectual◆relatively ineffective / inefficient / unproductive◆entirely ineffective / unproductive / counterproductive■ ineffective not achieving what you want it to achieve; not having any effect 無效果的；不起作用的；不奏效的◆It has been criticized as an unfair and ineffective system.這種體制被批不公、無效。◆The missiles are totally ineffective against tanks.這些導彈根本對付不了坦克。◆High interest rates proved to be ineffective in reducing inflation.事實證明高利率並未有效降低通貨膨脹。OPP effective ⇨ successful 1 ▸ ineffectively

adverb

◆Why is this crime dealt with so ineffectively?對這起犯罪的處理爲何如此不力？ 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；浪費的◆The regime was both inefficient and corrupt.這個政權既無能又腐敗。◆The boss thinks the new secretary is inefficient.老板認爲新秘書不稱職。◆This method of data storage is an inefficient use of memory.這種數據存儲方法浪費内存。OPP efficient ⇨ efficient ▸ inefficiency

noun

 [uncountable, plural] ◆The measures encouraged inefficiency and waste.這些措施助長了低效率與浪費。◆inefficiencies in the system體制中的低效率現象 OPP efficiency ⇨ efficiency ▸ inefficiently

adverb

◆The firm was inefficiently run.該公司經營不善。 OPP efficiently ⇨ efficient ■ unproductive not producing or achieving very much; not producing good results 産能差的；效果不佳的；成效低的◆I've spent yet another unproductive day.我這一天又是什麽事都沒幹成。◆We had a series of unproductive meetings.我們開的一連串會議都是事倍功半。OPP productive ⇨ productive ■ counterproductive [not usually before noun] having the opposite effect to the one intended 産生相反效果；事與願違；適得其反◆Increases in taxation would be counterproductive.加稅將會適得其反。◆It would be counterproductive to act hastily at this stage.在這個階段倉促行事會得到反效果。■ ineffectual ˌɪnɪˈfektʃuəl (formal) (of a person) not achieving much; weak; (of an action) not achieving what you want it to achieve （人）無能的，軟弱的；（行爲）達不到目的的◆The president is seen as weak and ineffectual.總統被視爲軟弱無能。◆She made an ineffectual grab at the book.她去抓那本書，但沒抓到。ⓘ 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尤用以表示人試圖做某事，但因爲虛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.他徒勞地掙紮着，想從方向盤後面爬出來。■ ˌself-deˈfeating causing more problems and difficulties instead of solving them; having the opposite effect to the one intended 弄巧成拙的；事與願違的；適得其反的◆Paying children too much attention when they misbehave can be self-defeating.孩子有不良行爲時，過度關注可能會適得其反。
BNC: 7076 COCA: 7869
ineffective
Not effective or useful and not working correctly: useless, ineffective, inefficient...
Not skilful or able: incompetent, incapable, awful...
Disadvantages: disadvantage, handicap, limitation...

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