唔該畀加紙我，唔好畀港紙。

我收加紙，唔收港紙。

靠左唔好靠右。 keep left instead of right

買大唔好買細。 buy the big one instead of small one

同人講我出咗國，唔好話我入咗醫院。 tell others I am overseas now instead of telling them I stay in the hospital.