爷爷的英语用怎么说

"Grandfather" is the most common way to refer to one's grandfather in English. Some other options could include "papa," "pop," "gramps," or "granddad." It is also possible to simply use the word "grandfather" in a different language, such as "ye ye" in Chinese. Ultimately, the term used to refer to one's grandfather may depend on personal preference or cultural tradition.