Taivo A Taiwan Mandarin dictionary

空谷足音

kōnggǔzúyīn

ㄎㄨㄥ ㄍㄨˇ ㄗㄨˊ ㄧㄣ

  1. 1(lit.) the sound of footsteps in a deserted valley (idiom)
  2. 2(fig.) sth hard to come by; sth wonderful and rare

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