Mandarin swear words beginning with the letter G

Phrase Meaning Is This Accurate?
gan ni lao screw your folks (46%)      (54%)
Gun Kai (goon kai) Fuck off! (lit roll open) (61%)      (39%)
gun ni mar fuck your mum/ motherfucker (62%)      (38%)

Mandarin Swear Words by Letter:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z