n. a facial expression of dislike or displeasure
v. look angry or sullen, wrinkle one's forehead, as if to signal disapproval
n. 皱眉
vi. 皱眉头
vt. 皱眉表示
1. She always frown when she is unhappy.
她不高兴时总是皱眉。
2. The teacher frowned at the students for talking during the lesson.
老师因为学生在上课时说话而皱眉。
3. Don't frown; it will make you look sad.
别皱眉；那会让你看起来很伤心。