better watch out!; better be careful!; wise up!; pay attention! (given as an advice or warning) [colloquial]
Definitions (粵典–words.hk)
形容詞
保持專注唔出錯 do the right thing!; do the clever thing!
你醒醒定定,唔好亂講嘢呀。
你醒醒定定,唔好乱讲嘢呀。
nei5 sing2 sing2 ding6 ding6, m4 hou2 lyun2 gong2 je5 aa3. Mind your words when you speak.
等陣醒醒定定,唔好俾海關捉住呀。
等阵醒醒定定,唔好俾海关捉住呀。
dang2 zan6 sing2 sing2 ding6 ding6, m4 hou2 bei2 hoi2 gwaan1 zuk1 zyu6 aa3. Be alert and don't get caught by the custom.