người việt nam = vietnamese person, tiếng việt nam = vietnamese language. you could just say nguoi viet and tieng viet though
khỏe không? Are you well (v. familiar)? [Name] khỏe không? Are you well ([Name] of good friend)? Anh có khỏe không? Are you well (brother)? Chị có khỏe không? Are you well...
Vietnamese means people who are ware born in Vietnam. Vietnamese is a main language in Vietnam. 90% speak Vietnamese 3% chinese. And thai Khmer......
yes i am
not always but mostly on special days or place, like anywhere else we wear normal everyday clothes