(verb) 1. Secretly mess with (an objective in order to make it malfunction); 2. Make arrangement (on vote etc.)
Definitions (粵典–words.hk)
動詞
暗中採取唔光彩嘅手段、小動作 to do something illicit secretly
佢喺份文件度做手腳，搞到公司蝕大錢。
佢喺份文件度做手脚，搞到公司蚀大钱。
keoi5 hai2 fan6 man4 gin2 dou6 zou6 sau2 goek3, gaau2 dou3 gung1 si1 sit6 daai6 cin2. Since he had made some changes to the document secretly, the company lost a big sum of money.
佢做咗啲手腳令自己賺咗一大筆錢。
佢做咗啲手脚令自己赚咗一大笔钱。
keoi5 zou6 zo2 di1 sau2 goek3 ling6 zi6 gei2 zaan6 zo2 jat1 daai6 bat1 cin2. She does something illicit secretly to earn money.
Definitions (Wiktionary)
verb, verb-object
to play tricks; to be up to some mischief; to use trickery (syn.) 搞事, 滋扰, 使坏, 抢事, 變鬼, 卵弹琴, 生氣, 鬧事, 玩鬧, 起事, 生气, 胡搅, 胡來, 生空生縫, 胡鬧, 搗鬼, 亂鬧, 闹事, 搗蛋, 捣鬼, 撩事, 搶事, 胡来, 乱弹琴, 生空, 搞鬼, 亂它, 起鬨, 搗亂, 捣蛋, 造反, 生事, 胡攪, 滋事, 变魍, 使壞, 乱它, 变鬼, 滋擾, 耍手腕, 乱闹, 卵彈琴, 亂彈琴, 生空生缝, 生空生榫, 起空, 捣乱, 胡闹, 變魍, 舞射, 惹事, 起哄, 玩闹