Taivo A Taiwan Mandarin dictionary

矜功不立

jīngōngbùlì

ㄐㄧㄣ ㄍㄨㄥ ㄅㄨˋ ㄌㄧˋ

  1. 1boasts a lot, but nothing comes of it (idiom)

Keep 矜功不立 and it comes back until you know it.

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