to show one's teeth or bare one's fangs; to make a face due to pain or to look fierce

to show one's teeth or part the lips as if about to speak; often used to indicate having something to say or wanting to voice an opinion

(colloquial) to be scolded or criticized

(colloquial) faded or dingy white; washed-out and unattractive

(erhua variant) to show one's teeth, often as a sign of anger, pain, or a grin

(colloquial) to receive a scolding or be criticized; to suffer a rebuke