叫爷爷都可以
“I'd call him "Lord" if I have to.”
THE DIALOGUE REEL
别说叫他大哥了
“Let alone "Mr. Yan"—”
叫爷爷都可以
“I'd call him "Lord" if I have to.”
叫姐夫吧
“Just call him "Brother-in-Law."”
“I do not care what absurdly respectful title you use, call him grandpa for all I care.”
In Chinese social interaction, family honorifics like '大哥' (big brother) or '姐夫' (brother-in-law) build closeness, and exaggerating them to '爷爷' (grandfather) is a typical form of humorous banter.
LEARNING CHUNKS & PARTICLES
call someone grandfather
Often used hyperbolically or in joking contexts to signify extreme deference or seniority.
anything is fine / either works
Common spoken pattern indicating total acceptance, indifference, or flexibility.