태평스럽다 and 털털하다 - 태평하다, 태평스럽다: 태(greatly) + 평(peaceful) + 하다 => 1) peaceful (of a country or an era), 2) peaceful and worry-free (of a person). - 털털하다: not particular or fastidious but unassuming and easygoing. 태평스럽다 emphasizes the worry-free nature when used about a person, while 털털하다 means not having difficult standards or affectation so as to be easygoing and accepting toward others. So the former is more about one's own state of mind while the latter has to do with the person's attitude towards others. - 저 친구는 시험이 코앞인데 태평스럽기만 하다: He is so carefree when the big test is just around the corner. - 털털한 사람 (an easygoing person), 털털한 성격 (an unassuming personality).