mien

1. N-SING Someone's mien is their general appearance and manner, especially the expression on their face, which shows what they are feeling or thinking. 儀表; 擧止; 神態; 麪部表情[文學性] [usu poss N]

It was impossible to tell from his mien whether he was offended. 從他的麪部表情無法判斷他是否生氣了。

...his mild manner and aristocratic mien. ...他溫和的擧止和高貴的儀態。