I tend to get hungry alot whether i'm home or when I travel outside, so how do you say these in your native language?
 (If possible, please write roman letters for pronounciation also!)

-I'm (so)hungry.../I'm famished.
JP - お腹すいたぁ！･腹へった
KOR - 배고파 (죽겠어)요･배고프다/배고파 (미치겠)다
CN -

-I'm (so)thirsty.../I want something to drink.
JP - 喉が渇いた~ ･ のどが乾いているんだ！/何か飲みたい･何か飲む物が欲しい
KOR - 목이 마릅니다 ･목이 마른데요/무엇인가 마시고 싶습니다
CN -

-Where are some good cafes to eat and drink coffee?
JP - 飲食するの良いカフェは、どこにありますか？
KOR - 커피 마실 좋은데 어디(야)서요?
CN -

-Where is a good bar to have a drink?
JP -
KOR -
CN -

-Lets go grab something to eat/drink!
JP - 食事(飲事)に行きませんか･何か食べ(飲み)ましょう･食事に行こう
KOR - 밥 먹자!･우리 뭐 좀 먹(마시고)읍시다･뭔가 먹(마시)을 걸 가지러 가요!
CN -

-Do you want to go get something to eat/drink?
JP -
KOR -
CN -