私相授受 (si1 soeng1 sau6 sau6) — 走後門 in Cantonese
siˉ¹私soengˉ¹相sauˍ₆授sauˍ₆受Mandarin Pinyin: si1 xiang1 shou4 shou4
Meaning of 私相授受
noun走後門
noungive and accept in private
noununderhand dealings; dealing under table; under the counter; make an illicit transfer