少數怕長計 (siu2 sou3 paa3 coeng4 gai3) — it's not good when many small amounts are added up, then they become a big amount of money in Cantonese
siuˊ²少sou˗₃數paa˗₃怕coengˎ₄長gai˗₃計简 少数怕长计
Mandarin Pinyin: shao3 shu4 pa4 chang2 ji4
Meaning of 少數怕長計
nounit's not good when many small amounts are added up, then they become a big amount of money