深藏若虛

Simplified: 深藏若虚

shēncángruòxū ㄕㄣ ㄘㄤˊ ㄖㄨㄛˋ ㄒㄩ

    • to hide one's treasure away so that no-one knows about it (idiom) fig. modest about one's talents
    • to hide one's light under a bushel

Character by character

Sources