adj. 愁眉不展的；闷闷不乐的
v. 皱眉（scowl的现在分词）

[ adj ]
sullen or unfriendly in appearance
<adj.all>

Scowl \Scowl\ (skoul), v. i. [imp. & p. p. {Scowled} (skould);
p. pr. & vb. n. {Scowling}.] [Akin to Dan. skule; cf. Icel.
skolla to skulk, LG. schulen to hide one's self, D. schuilen,
G. schielen to squint, Dan. skele, Sw. skela, AS. sceolh
squinting. Cf. {Skulk}.]
1. To wrinkle the brows, as in frowning or displeasure; to
put on a frowning look; to look sour, sullen, severe, or
angry.

She scowled and frowned with froward countenance.
--Spenser.

2. Hence, to look gloomy, dark, or threatening; to lower.
``The scowling heavens.'' --Thomson.