➡ See also the entries for unjustified and unofficial另见unjustified条和unofficial条irrational ♦︎ illogical ♦︎ unfounded ♦︎ groundless ♦︎ unconfirmed ♦︎ unsubstantiated ♦︎ unsupported ♦︎ unscientificThese words all describe things that are not based on any good reason or evidence.这些词均表示无理由的、无根据的、未经证实的。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不合逻辑的;没有道理的◆These are just irrational fears.这些只是无端的恐惧。◆You're being irrational.你不可理喻。OPPrational ⇨ rational▸irrationally
adverb
◆to behave irrationally表现得没有理性■illogical ɪˈlɒdʒɪkl; NAmEɪˈlɑːdʒɪklnot sensible or thought out in a logical way悖理的;不合逻辑的◆From all this evidence he drew a strange and illogical conclusion.仅凭这条证据,他竟得出了一个奇怪的、不合情理的结论。OPPlogical ⇨ rational▸illogically
adverb
◆He felt illogically that somehow he was responsible for the disaster.他无端地觉得他就该为这场灾难负责。NOTE辨析 Irrational or illogical?In some cases you can use either word.在有些情况下这两个词可以通用◆an irrational / illogical fear of insects对昆虫的无端恐惧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强调某事没有充分的理由,illogical意指没有道理或证据不充分。可以说sb is irrational,但不能说sb is illogical◆You're being illogical.■unfoundednot based on fact or any good reason无端的;没理由的;莫须有的◆I was pleased to discover that my fears were unfounded.发现自己的担忧毫无道理,我很高兴。◆I dismissed the story as unfounded speculation.我认为这种说法纯属无稽之谈。■groundlessnot based on any good reason无理由的;无根据的◆Most of his worries proved to be groundless.他的大部分忧虑证明是毫无道理的。◆They denied what they called completely groundless allegations.他们否认了他们称之为毫无根据的指控。NOTE辨析 Unfounded or groundless?In many cases you can use either word.在许多情况下这两个词可以通用◆unfounded / groundless claims / allegations / accusations / fears / worries毫无根据的说法/指控/控告/担心/忧虑However, groundless is not used to talk about things that ought to be based on fact rather than reasons.不过,groundless指没有理由,不指没有事实依据◆groundless stories/reports/rumours/speculation■unconfirmedthat has not yet been proved to be true未经证实的◆Unconfirmed reports stated that at least six people had died.未经证实的报道称至少有六人丧生。■unsubstantiatedˌʌnsəbˈstænʃieɪtɪd (formal) not proved to be true by evidence未经证实的◆There were unsubstantiated rumours of abuse at the prison.未经证实的传言称监狱里存在虐待行为。■unsupportednot proved to be true by evidence未经证实的◆Their claims are unsupported by any research findings.他们的说法并未得到任何研究结果的证实。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.这两个词在含义上没有实质差别。unsubstantiated较正式,多用在名词前;unsupported多用在sth is unsupported by the evidence/findings等短语中。■unscientific (oftendisapproving) not done in a careful, logical way, according to scientific principles不科学的;非科学的;违背科学方法的◆Their approach to the problem was very unscientific.他们解决问题的方式很不科学。OPPscientific ⇨ rational