掏古井 (tou4 gu2 zeng2) — to marry a wealthy widow for her money; to have an affair with a wealthy old woman for her money [colloquial] in Cantonese
touˎ₄掏guˊ²古zengˊ²井Mandarin Pinyin: tao1 gu3 jing3
Meaning of 掏古井
nounto marry a wealthy widow for her money; to have an affair with a wealthy old woman for her money [colloquial]