介绍:
grimace
If you grimace, you twist your face in an ugly way because you are annoyed, disgusted, or in pain.
例：She started to sit up, grimaced, and sank back weakly against the pillow.
scowl
When someone scowls, an angry expression appears on their face.
例：He scowled, and slammed the door behind him.
awkward
An awkward situation is embarrassing and difficult to deal with.
例：I was the first to ask him awkward questions but there'll be harder ones to come.
frown
When someone frowns, their eyebrows become drawn together, because they are annoyed, worried, or puzzled, or because they are concentrating.
例：Nancy shook her head, frowning.
scream
When someone screams, they make a very loud, high-pitched cry, for example, because they are in pain or are very frightened.
例：Women were screaming; some of the houses nearest the bridge were on fire.
