Theres no need to plump, but if you want to just for funsies, here are a few options. 눈썹에 대해 느끼는 것과 거의 같은 방식으로 입술에 대한 끊임없는 불만을 느낍니다. Actually, dissatisfaction is probably too strong a word I think theyre fine, nice even, but they dont wow me.