some more k-words...

도련님
do-ryeon-nim
< young master >

아가씨
a-ga-ssi
< young lady/miss >

주인님
ju-in-nim
< Master >

여주인님
yeo-ju-in-nim
< Mistress >

무슨 말이야?
mu-seun ma-ri-ya?
< What are you talking about? >

너 여기 왜 있어?/ 넌 왜 왔어?
neo yeo-gi wae i-sseo?/ neon wae wa-sseo?
< Why are you here? >

당장 꺼져/가!
dang-jang kkeo-jeo/ga!
< Leave, now. >

난 널 싫어하거든.
nan neol shi-reo-ha-geo-deun.
< I don't like you. >

저리 가, 나한테 떨어져
jeo-ri ga, na-han-te tteo-reo-jeo
< Stay away from me. >

그는 널 정말 좋아해
geu-neun neol jeong-mal jo-a-hae
< He really cares about you. >

바보같이 굴지마
ba-bo-ga-chi gul-ji-ma
< Stop being stupid. >

너 좀 진정해야 되겠다
neo jom jin-jeong-hae-ya doe-get-tta
< You need to calm down. >

난 네 도움이 필요해.
nan ne do-u-mi pi-ryo-hae.
< I need your help >

그는 뭘 원하니?
geu-neun mwol won-ha-ni?
< What does he want? >

정녕코 그런가?
jeong-nyeong-ko geu-reon-ga?
< Are you sure? >

음식을/밥을 만들어 줘.
eum-si-geul/ppa-beul man-deu-reo jwo.
< Make me some food please. >

Found this from googling ^.^v

"i will talk to you later"
나중에 얘기할게요.\나중에 얘기할게.

"call me soon\later\in a bit"
중에 전화해요.\나중에 전화해.

"i will call you back later"
나중에 전화할께요.\나중에 전화할께.

"i am busy right now"
난 지금 바쁘거든요.\난 지금 바쁘거든.

"dont bother me"
날 귀찮게 하지마요.\날 귀찮게 하지마.

thought im not sure how polite it is to say that to someone it seems a bit rude .. so i dont think you should use yo ^^