黔驢技窮

qiánlǘjìqióng

the (proverbial) Guizhou donkey has exhausted its tricks—at one's wit's end; at the end of one's rope

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Qian2 lu:2 ji4 qiong2

to exhaust one's limited abilities (idiom)

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黔驢技窮|黔驴技穷 [Qián lu jì qióng] ► to exhaust one's limited abilities (idiom)