I= 나는 /badly = 몹시 /want = 갖고싶다 You can say it like, 난 (저거) 되게 갖고 싶어 (take sth) . Or 난 저거 되게 사고 싶어 (buy it sth) both informal word . Or you can say it want like 원하다 . 원하다 mean more larger than 갖다 . It mean hope / Like dream . Crave - 간절히 원하다 (it's similar to badly want) for example I really want you (난 너를 원해 ) , 원해 mean 원하다 It's hope to help you