Taivo A Taiwan Mandarin dictionary

牛山濯濯

niúshānzhuózhuó

ㄋㄧㄡˊ ㄕㄢ ㄓㄨㄛˊ ㄓㄨㄛˊ

  1. 1treeless hills (idiom)

Keep 牛山濯濯 and it comes back until you know it.

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