in the middle of a meal (e.g. having dinner)

(slang) person who eats noisily

not ... at all

even if ...,...cannot

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

(by extension from the "thorough" sense) so thoroughly knowledgeable and particular about something as to be annoying to others: picky, nitpicking, fussy / pushy, bossy, overly particular and demanding

noisy; loud

Ulsan (a city in South Korea)

meal / diet

have a meal, eat