理屈词穷

lǐqūcíqióng

fall silent on finding oneself bested in argument; be unable to advance any further arguments

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be unable to advance any further arguments to justify oneself

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be unable to advance any further arguments to justify oneself

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li3 qu1 ci2 qiong2

faulty argument and poor rhetoric (idiom); unable to put forward any convincing arguments, without a leg to stand on

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理屈词穷

lǐ qū cí qióng

be condemned out of one's own mouth; be condemned on one's own showing; be unable to advance any further arguments to justify oneself; fall silent on finding oneself bested in argument; find oneself devoid of all argument; have nothing left with which to justify oneself; have nothing to say (be tongue-tied) on realizing one's own shaky stand; not have a leg to stand on; shut up when defeated in argument; unable to find a word to justify oneself:

他理屈词穷， 只好求助于诡辩。 As he had a weak case and could not defend himself, he had to resort to sophistry.

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理屈詞窮|理屈词穷 [lǐ qū cí qióng] ► faulty argument and poor rhetoric (idiom); unable to put forward any convincing arguments ► without a leg to stand on