拼音：hu à shā ch é ng gu à
解释：宋·朱熹幼时以手指在沙上画成八卦图形。后用其泛指幼儿聪明。
单字解释： 画 沙 成 卦
Song · Zhu Xi drew eight trigrams on the sand with his fingers when he was young. Later, it refers to children's intelligence.
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