各家自掃門前雪 [－－－扫门－－]

Jyutping gok3 gaa1 zi6 sou3 mun4 cin4 syut3
Pinyin gè jiā zì sǎo mén qián xuě

Definitions (粵典–words.hk)
  1. 語句
    淨​係​顧​自己​，​對​其他人​嘅​事​漠​不​關​心​；​下句​係​「​莫理​他人​瓦上​霜​」
    to do one's own job well while being indifferent to others (mind one's own business); literally, every household sweeps snow on their own doorstep