(nán, ㄋㄢˊ) difficult (to...); problem; difficulty; difficult; not good [CE-DICT]
(nàn, ㄋㄢˋ) disaster; distress; to scold [CE-DICT]
怪
(かい) (n) mystery; wonder [EDICT]
(guài, ㄍㄨㄞˋ) bewildering; odd; queer; strange; uncanny; devil; monster; wonder at; to blame; quite; rather [CE-DICT]
严
(yán, ㄧㄢˊ) (air or water) tight; stern; serious; strict; severe; surname Yan [CE-DICT]
重
(おも) (adj-na,n) (1) (See 主な,主に) chief; main; principal; important; (2) (abbr) (usu. written as オモ) (See 重あど) main secondary or supporting role (in kyogen); (P) [EDICT]