2góng bō 講波 — [talk ball] a commentary on a football match.
3góng dō mouh waih 講多無謂 — there is no use talking, there is nothing more to say, "talk is cheap", "let's get on with it".
4góng féi cheui tóih 講翡翠台 — [to speak Jade] to speak Cantonese (i.e. the language of the Jade TV channel, rather than that of the Pearl TV channel which broadcasts in English).
5góng gau 講究 — to be particular about; to have a good eye for, or good taste in (clothes, food, etc.).