需要時常防備其他人謀害自己;有時會同上一句「#害人之心不可有」一齊用 (guard against those trying to harm you; sometimes used after #害人之心不可有 hoi6 jan4 zi1 sam1 bat1 ho2 jau5)
語句用例
防人之心不可無,出面個社會好複雜㗎。
fong4 jan4 zi1 sam1 bat1 ho2 mou4, ceot1 min6 go3 se5 wui2 hou2 fuk1 zaap6 gaa3.
You'd better be aware of others. The world outside is complicated.