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Jyutping sing4 jaa5 siu1 ho4 , baai6 jaa5 siu1 ho4
Pinyin chéng yě xiāo hé , bài yě xiāo hé

Definitions (Wiktionary)
  1. phrase, idiomatic
    the key to one's success is also one's undoing
    • 成也蕭何敗也蕭何低成本成沃爾瑪命門
      成也萧何败也萧何低成本成沃尔玛命门
      chéng yě xiāo hé bài yě xiāo hé dī chéng běn chéng wò ěr mǎ mìng mén
      The key to their success was also their undoing, low cost was the mandate of Walmart

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Jyutping sing4 jaa5 siu1 ho4 , baai6 jaa5 siu1 ho4
Pinyin chéng yě xiāo hé , bài yě xiāo hé

Definitions (CC-CEDICT)
  1. lit. raised up by Xiao He, cast down by Xiao He (idiom), alluding to Han Xin 韓信|韩信[Han2 Xin4] being made Grand General 大將軍|大将军[da4 jiang1 jun1]
  2. fig. a situation where one's success and failure are both due to the same factor