おちつきはらった の訳語→ calm still
平静 の訳語→ detachment equanimity level peace presence quietude unconcerned
無表情 の訳語→ blank expressionless impassivity stoniness wooden
無表情な の訳語→ dead faceless flat
冷静さ の訳語→ composedness dispassionate head nerve
冷静な の訳語→ collected cool detached even hardheaded phlegmatic
impassively