-i feel better now : 좀 나아졌어.
-whatever, i hate/love... : 어쨌든, 난 싫어/좋아
-why did you ask me that question? : 왜 그런 질문을 하셨죠?
-why did you add me? 왜 저를 (친구로) 추가하셨죠?
-why did you say that?왜 그런말을 하는거야?
-you? (formal and informal) 당신은요? / 너는?
-i'm ugly and your ugly (two different sentence)난 못생겼다 / 너는 못생겼다.