“畀”=“俾” In Cantonese, there maybe have many words to express one meaning. Those two words pronounce the same.
"畀“ and "給” both means give you something.
"畀“ is the expression of Cantonese. In the meantime, "給” is the expression of Mandarin.
“我交还畀你” in Cantonese "我交翻畀你“ in Mandarin "我還給你”