There are many ways in which you can say some words, there is formal.. informal.. and honorifics..
*(Formal)
Hello - Annyeonghaseyo ( 안녕하세요 )
*(informal)
- Annyeong (안녕 )
- Yoboseyo ( 여보세요 ) *answering phone.Good morning - Annyeonghaseyo.
( 안녕하세요 )Good night - Annyeong hajumuseyo
( 안녕 하주무세요 )Good evening - Annyeong hashossoyo
( 안녕 핫호쏘요 )Good bye - Annyeonghi geseyo
( 안녕히 게세요 )Bye - Jalgayo ( 잘가요 )
No - Aniyo ( 아니요 )
- Ani ( 아니 )Yes - Ne / ye ( 네 / ㅖ)
*formal
Thank you - Gamsahamnida ( 감사함니다 )
*informal
- Gomawo ( 고마위 )I'm sorry - Joisong habnida ( 죄송 합니다 )
- Mianhabnida ( 미안합니다 )
- Mianhae ( 미안해 )*informalWelcome ( to greet someone )
- Hwanyeong habnida
( 환영 합니다 )Excuse me - Sillyehabnida ( 실례합니다 )
Please - Jebalyo ( 제발요 )
No problem - munje eobseoyo.
( 몬제 업서요 )I don't know - Moleugesseoyo
( 모르게써요 )Do you understand me?
- Jemali ihaega gaseyo?
( 제말이 이해가 가세요? )I understand - Ihae haesseoyo
( 이해 해써요 )I don't understand
- Ihaega jal andwaeyo
( 이해가 잘 안되요 )Pardon? - Mwolago hasyeosseoyo?
( 뭐라고 하셨어요? )Just a moment - Jamsimanyo ( 잠시만요 )
You're welcome - Cheonmaneyo
( 천만에요 )Nice to meet you - mannaseo bangawoyo
( 만나서 반가워요 )What is your name? - Ileum-i mwoeyo?
( 이름이 뭐에요?)My name is... - jeoneun ... eyo
( 저는.... 에요)How old are you? -
nailga eotteoh gea doeseyo?
( 나이가 어떻 게 되세요? )I'm. .. years old - jeoneun... sal-ieyo
( 저는. ... 살이에요)Where are you from? -
eodiseo osyeosseoyo?
( 어디서 오셨어요?)I'm from... - jeoneun... eseo wasseoyo
( 저는.... 에서왔어요)And you? - dangsineunyo? ( 당신은요?)
Where are you going? - eodilo gaseyo?
( 어디로 가세요?)See you later - tto bwayo ( 또 봐요)
See you tomorrow - naeil bwayo
( 내일 봐요)Take care - jal jinae ( 잘 지내)
Good luck - haenguneul bileoyo
( 행운을 빌어요)Congratulations - chugha haeyo
( 축하해요)Happy birthday - saengil chughab nida
( 생일 축합 니다)Happy new year -
saehae bog manhi badeuseyo
( 새해 복 많이 받으세요)What? - mueoseulyo? (무엇을요)
Which? - eotteongeoyo? (어떤거요?)
When? - eonjeyo? ( 언제요?)
Where? - eodiyo (어디요?)
Why? - waeyo? ( 왜요?)
Who? - nugayo? ( 누가요?)
How many? - eolmanayo? ( 얼마나요?)
How much? - eolmaeyo? (얼마에요?)