医療保険[iryouhoken] medical-care insurance
陰険[inken] tricky
火災保険[kasaihoken] fire insurance
危険[kiken] danger
危険因子[kikeninshi] risk factor

危険角度[kikenkakudo] critical angle
危険思想[kikenshisou] dangerous thoughts
危険視[kikenshi] regarded as dangerous
危険信号[kikenshingou] danger signal
危険人物[kikenjinbutsu] dangerous character

雲鬢花顔[unbinkagan] beautiful woman (metaphorical)
横顔[yokogao] face in profile
温顔[ongan] kindly face
なに食わぬ顔[nanikuwanukao] innocent look
我物顔[wagamonogao] looking or acting as if one owned the place

汗顔[kangan] ashamed
顔から火が出る[kaokarahigaderu] to be extremely embarrassed
顔を顰める[kaowoshikameru] to grimace
顔を潰す[kaowotsubusu] to make somebody lose face