Bricklaying originated from Jianghu terms, which refers to piling up (piecing together, fabricating) charges for others to attack others, and then extended to verbal attacks, and then generalized to physical attacks.
"Guangzhou team is good" means praising Guangzhou team for its Excellence.
"Laying bricks and stones" is an imperative sentence in Cantonese, which means "beating him", implying that you can beat your opponent on the premise of bullying the weak, but his opponent has no power to fight back.