요물: 요물 [妖物] [요사스런 물건] an uncanny[weird] one; [간악한 사람] a wicked[crafty and malicious] person. 여우는 ~이라고 한다 The fox is regarded as a mysterious animal[magic-creature].
필요: 필요 [必要] (a) necessity ; (a) need ; requirement. ~ 없는 unnecessary / needless. 즉각 행동할 ~ the need for[of] immediate action / the need to act immediately. ~에 따라서 as occasion demands / at need. …을 ~로 하다
요물계약: 요물 계약 [要物契約] 『法』 a real[substantial] contract.
불필요: 불필요 [不必要] ~하다 [필요하지 않다] unnecessary; needless; [쓸모 없다] useless; [남아돌다] superfluous; [청하지도 않다] uncalled-for; [사용하지 않다] disused. 대학 입시에 ~한 과목 subjects which are not required for university entrance ex