glower/ˈglauə(r); `ɡlaʊɚ/ v[I, Ipr]~ (at sb/sth) look in an angry or a threatening way 怒目而视; 愠然作色 He sat glowering at his opponent. 他坐在那里怒视著对手. (fig 比喻) the glowering sky, ie with dark clouds 阴沉的天空.
牛津英汉双解词典