為人作嫁 (wai6 jan4 zok3 gaa3) — doing work for others with no benefit to oneself in Cantonese
waiˍ₆為janˎ₄人zok˗₃作gaa˗₃嫁简 为人作嫁
Mandarin Pinyin: wei4 ren2 zuo4 jia4
Meaning of 為人作嫁
noundoing work for others with no benefit to oneself
nounto be busy helping others without any benefit to oneself