(adverb) to describe when someone is looking vacantly / gazing aimlessly / staring blankly into space, as though they are comtemplating something or distracted in their own thoughts; to describe how someone is looking on helplessly; to describe how someone is gaping / gawking eagerly; to describe how someone is gazing longingly; to describe how someone is looking on expectantly; (adj.) eyes wide open, to describe someone who is wide awake and cannot sleep at night
Definitions (粵典–words.hk)
副詞
張開眼睛,呆望/凝望 eyes opened without feeling sleepy; staring blankly
我成晚眼光光望住個天花板。
我成晚眼光光望住个天花板。
I looked at the ceiling for the whole night with a wink of sleep.
Definitions (Wiktionary)
adj, Cantonese
One's eyes wide open or staying open:
个乞儿眼光光睇住人哋食饭,自己一粒米都冇得食,真系冇阴功!
个乞儿眼光光睇住人哋食饭,自己一粒米都冇得食,真系冇阴功!
go3 hat1 ji1 ngaan5 gwong1 gwong1 tai2 zyu6 jan4 dei6 sik6 faan6, zi6 gei2 jat1 lap1 mai5 dou1 mou5 dak1 sik6, zan1 hai6 mou5 jam1 gung1! The beggar just looked helplessly at other people eating without a grain of rice for himself to eat. What a pity!