動詞
利用或者搵出人哋嘅弱點或者把柄 to exploit the weakness of others, to go for the weak spot; literally: to grab sore leg
佢成日偷睇人哋啲信，想話捉到人痛腳。
佢成日偷睇人哋啲信，想话捉到人痛脚。
keoi5 seng4 jat6 tau1 tai2 jan4 dei6 di1 seon3, soeng2 waa6 zuk1 dou2 jan4 tung3 goek3. He is always snooping others' correspondence in the hope of finding the goods on others.