to guard the entrance; completely useless; totally pointless [colloquial]
Definitions (粵典–words.hk)
語句
指一個行為完全冇用(用喺動詞短語後面,要用「嚟把托」嘅形式) completely useless, completely pointless (the form 嚟把托 is used when placed after a verb phrase)
屋企咪有個囉,買個新嘅嚟把托呀?
屋企咪有个啰,买个新嘅嚟把托呀?
uk1 kei2 mai6 jau5 go3 lo1, maai5 go3 san1 ge3 lai4 baa2 tok3 aa4? We already have one at home. What's the point of buying a new one?