珠流璧轉

zhu1 liu2 bi4 zhuan3

lit. pearl flows, jade moves on (idiom); fig. the passage of time, water under the bridge

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珠流璧轉|珠流璧转 [zhū liú bì zhuǎn] ► lit. pearl flows, jade moves on (idiom); fig. the passage of time ► water under the bridge