Có 1 kết quả:

chūn jiāng shuǐ nuǎn yā xiān zhī ㄔㄨㄣ ㄐㄧㄤ ㄕㄨㄟˇ ㄋㄨㄢˇ ㄧㄚ ㄒㄧㄢ ㄓ

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Từ điển Trung-Anh

(1) lit. the duck is the first to know if the spring water is warm (idiom)
(2) fig. an expert in the field knows which way the wind blows