adj.; grown up; Metaphor, "she knows the way to work". Others do not care or worry about her
Definitions (粵典–words.hk)
形容詞
形容女仔已經長大 (of females) grown; mature
你都咁大個女啦,自己搞掂佢啦。
你都咁大个女啦,自己搞掂佢啦。
nei5 dou1 gam3 daai6 go3 neoi2 laa1, zi6 gei2 gaau2 dim6 keoi5 laa1. You are already a grown woman, you can handle it yourself.