韜光養晦 [ㄊㄠ ㄍㄨㄤ ㄧㄤˇ ㄏㄨㄟˋ; tao1 guang1 yang3 hui4] lit. to cover light and nurture in the dark (idiom); to conceal one's strengths and bide one's time hiding one's light under a bush ◄ ►
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