「你好嘢」

(廣東話) 表示對對方做嘅嘢非常不滿，但自己暫時無可奈何；並且喺某啲情況或語氣之下，有警告將會報復嘅意思

(英文) a sarcastic remark used to express frustration or aggression at something that the other party has done; depending on the situation, it often involving a threat of reprisal or revenge; literally: you have done well / you're so great