ㄐㄧㄣㄍㄤㄋㄨˋㄇㄨˋjīngāng‑nùmù

金刚怒目
  1. 形容面目威猛可怕殿金剛發怒睜眼一樣 孩子面前應該慈眉善目不應金剛怒目」。

to have a face as terrifying as the warrior attendant of the Buddha (idiom)​