Based on the level of respect or formality, you can say "Would you like to have a meal?" in Korean in 3 ways:

• Informal: bap meokeulrae? (밥 먹을래?)
• Formal: siksa hasilraeyo? (식사 하실래요?), siksa hasigetseupnigga? (식사 하시겠습니까?)
• Very Formal: siksa deusigetseupnigga? (식사 하시겠습니까?)

- you (subjective): ne-ga (네가), ni-ga (니가), neo-neun (너는), dangsin-eun (당신은), dansin-ggeseo-neun (당신께서는) - omitted here
- to grab: japda (잡다)
- bite: han-ip (한 입)

Please refer to How to pronounce Korean Alphabet for the English pronunciation in this answer.