動詞
多用響反問句中，用嚟質疑人哋收埋一啲無用或唔等使嘅嘢浪費空間，或保留一啲有用嘅嘢又唔用，造成浪費；煲醋本身係指「煲薑醋」，專門煲俾孕婦產後補身，但煲醋用嘅大型瓦煲平時好少機會用到，留嚟都係躉多過用 usually used in a rhetorical question about keeping something that is either useless, seldom used that wasting space, or holding something useful but not using it, causing a waste of the item. Originated from the over-sized ginger vinegar boiler, only useful while a family member is give birth to a baby.
你連小學果陣啲手冊都唔捨得掉，留嚟煲醋咩？
你连小学果阵啲手册都唔舍得掉，留嚟煲醋咩？
You are still keeping the handbook of your primary school, you keep it for what ?
你揸住成手大牌都唔出，愛嚟煲醋呀？
你揸住成手大牌都唔出，爱嚟煲醋呀？
You held up all high cards but not playing them, what is the point to do so?
Examples (粵典–words.hk)
Cantonese
你连小学果阵啲手册都唔舍得掉，留嚟煲醋咩？
你連小學果陣啲手冊都唔捨得掉，留嚟煲醋咩？
You are still keeping the handbook of your primary school, you keep it for what ?
Cantonese
你揸住成手大牌都唔出，爱嚟煲醋呀？
你揸住成手大牌都唔出，愛嚟煲醋呀？
You held up all high cards but not playing them, what is the point to do so?