Frown at意思

"Frown at" is an English phrase that means to express displeasure, disapproval, or annoyance by forming a frown, which is a facial expression where the eyebrows are drawn together and the lips are pressed together or turned down. The action of frowning can communicate a negative or critical attitude towards something or someone.

For example:

"She frowned at the report, clearly dissatisfied with the results." "He frowned at the noise, trying to concentrate on his work." "The teacher frowned at the student's answer, indicating that it was incorrect."

This phrase is often used to describe a quick, involuntary reaction to something that is seen as negative or not up to one's standards.