to refer somebody does not pay much attention, or give much effort into doing something
Definitions (粵典–words.hk)
語句
唔上心、唔在意 indifferent; not caring
連我有食物敏感都唔知,你都冇心裝載嘅。
连我有食物敏感都唔知,你都冇心装载嘅。
lin4 ngo5 jau5 sik6 mat6 man5 gam2 dou1 m4 zi1, nei5 dou1 mou5 sam1 zong1 zoi3 ge5. You are not caring enough as you don't even know that I have a food allergy.