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irrational

adjective

  ➡ See also the entries for unjustified and unofficial 另見unjustified條和unofficial條irrational ♦︎ illogical ♦︎ unfounded ♦︎ groundless ♦︎ unconfirmed ♦︎ unsubstantiated ♦︎ unsupported ♦︎ unscientificThese words all describe things that are not based on any good reason or evidence. 這些詞均表示無理由的、無根據的、未經證實的。PATTERNS AND COLLOCATIONS 句型和搭配◆an irrational / illogical fear◆an unfounded / a groundless / an unsubstantiated / an unsupported claim / allegation / assertion◆an unfounded / a groundless / an unsubstantiated accusation / charge◆an unfounded / an unconfirmed / an unsubstantiated rumour◆an unfounded / unconfirmed / unsubstantiated story / report◆totally irrational / illogical / unfounded / groundless / unsubstantiated / unsupported / unscientific◆completely irrational / unfounded / groundless / unsubstantiated / unsupported◆largely unfounded / groundless / unsupported■ irrational ɪˈræʃənl not based on, or not using, clear logical thought 不合邏輯的；沒有道理的◆These are just irrational fears.這些只是無端的恐懼。◆You're being irrational.你不可理喻。OPP rational ⇨ rational ▸ irrationally

adverb

◆to behave irrationally表現得沒有理性■ illogical ɪˈlɒdʒɪkl; NAmE ɪˈlɑːdʒɪklnot sensible or thought out in a logical way 悖理的；不合邏輯的◆From all this evidence he drew a strange and illogical conclusion.僅憑這條證據，他竟得出了一個奇怪的、不合情理的結論。 OPP logical ⇨ rational ▸ illogically

adverb

◆He felt illogically that somehow he was responsible for the disaster.他無端地覺得他就該爲這場災難負責。NOTE 辨析 Irrational or illogical?In some cases you can use either word. 在有些情況下這兩個詞可以通用◆an irrational / illogical fear of insects對昆蟲的無端恐懼 Irrational emphasizes that there is no good reason for sth; illogical suggests that sb has used a false line of reasoning from facts that do not in fact support their reasoning. A person can be irrational but not 'be illogical'. * irrational強調某事沒有充分的理由，illogical意指沒有道理或證據不充分。可以說sb is irrational，但不能說sb is illogical◆You're being illogical. ■ unfounded not based on fact or any good reason 無端的；沒理由的；莫須有的◆I was pleased to discover that my fears were unfounded.發現自己的擔憂毫無道理，我很高興。◆I dismissed the story as unfounded speculation.我認爲這種說法純屬無稽之談。■ groundless not based on any good reason 無理由的；無根據的◆Most of his worries proved to be groundless.他的大部分憂慮證明是毫無道理的。◆They denied what they called completely groundless allegations.他們否認了他們稱之爲毫無根據的指控。NOTE 辨析 Unfounded or groundless?In many cases you can use either word. 在許多情況下這兩個詞可以通用◆unfounded / groundless claims / allegations / accusations / fears / worries毫無根據的說法／指控／控告／擔心／憂慮However, groundless is not used to talk about things that ought to be based on fact rather than reasons. 不過，groundless指沒有理由，不指沒有事實依據◆groundless stories/reports/rumours/speculation ■ unconfirmed that has not yet been proved to be true 未經證實的◆Unconfirmed reports stated that at least six people had died.未經證實的報道稱至少有六人喪生。■ unsubstantiated ˌʌnsəbˈstænʃieɪtɪd (formal) not proved to be true by evidence 未經證實的◆There were unsubstantiated rumours of abuse at the prison.未經證實的傳言稱監獄裏存在虐待行爲。■ unsupported not proved to be true by evidence 未經證實的◆Their claims are unsupported by any research findings.他們的說法並未得到任何研究結果的證實。NOTE 辨析 Unsubstantiated or unsupported?There is no real difference in meaning between these words. Unsubstantiated is more formal and is more often used before a noun; unsupported is more often used after a linking verb in the phrase sth is unsupported by the evidence/findings, etc. 這兩個詞在含義上沒有實質差别。unsubstantiated較正式，多用在名詞前；unsupported多用在sth is unsupported by the evidence/findings等短語中。■ unscientific (often disapproving) not done in a careful, logical way, according to scientific principles 不科學的；非科學的；違背科學方法的◆Their approach to the problem was very unscientific.他們解決問題的方式很不科學。 OPP scientific ⇨ rational

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