金手指 (gam1 sau2 zi2) — put the finger on; a squealer, one who testifies as a witness in Cantonese
gamˉ¹金sauˊ²手ziˊ²指Mandarin Pinyin: jin1 shou3 zhi3
Meaning of 金手指
nounput the finger on; a squealer, one who testifies as a witness
nounbetrayer; backstabber (literally "goldfinger"); a device which allows for cheating in old video game consoles