(phrasal verb) to try to get or achieve something by taking advantage of the grey area of the rules or law; to exploit the legal loopholes
Definitions (粵典–words.hk)
動詞
利用法律嘅漏洞,去做一啲唔應該但又冇列明唔合法嘅事 to exploit a legal loophole; literally, to use a gap in law
走法律罅唔係犯法,不過咁危險嘅嘢最好唔好做啦。
走法律罅唔系犯法,不过咁危险嘅嘢最好唔好做啦。
zau2 faat3 leot6 laa3 m4 hai6 faan6 faat3, bat1 gwo3 gam3 ngai4 him2 ge3 je5 zeoi3 hou2 m4 hou2 zou6 laa1. Exploiting a legal loophole is not illegal, but it is best if you don't do such a dangerous thing.