執輸行頭，慘過敗家 [执输－头－惨过败－]

Jyutping zap1 syu1 hong4 tau4 ， caam2 gwo3 baai6 gaa1
Pinyin zhí shū háng tóu ， cǎn guò bài jiā

Definitions (Wiktionary)
  1. proverb, Cantonese
    Not acting quickly and therefore missing out great opportunities is the worst thing in the world.